10th Class Chemistry Online MCQs

10th Class Chemistry Online MCQs If you find any error or want to give suggestion for improvement,you may contact to me at +923146685547 (WhatsApp).اگر آپ کو کوئی خامی نظر آتی ہے یا آپ بہتری کے لیے کوئی تجویز دینا چاہتے ہیں تو آپ مجھ سے رابطہ کر سکتے ہیں۔My WhatsApp number is 923146685547. Education & CareerJoin my free WhatsApp chanel to get authentic news first.👇👇👇https://whatsapp.com/channel/0029VbBjge87j6gDtBXk3K2J 10th Chemistry BISE Sahiwal Quiz :root { --primary: #1a5276; --secondary: #2980b9; --accent: #f1c40f; --success: #27ae60; --danger: #c0392b; --bg-light: #f8f9fa; --dark: #2c3e50; --dev-bg: #2d3436; --wa-color: #25D366; } * { box-sizing: border-box; -webkit-tap-highlight-color: transparent; } /* --- ANIMATIONS --- */ @keyframes slideInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } } @keyframes pulseGreen { 0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(39, 174, 96, 0.7); } 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(39, 174, 96, 0); } } @keyframes shakeRed { 0%, 100% { transform: translateX(0); } 25% { transform: translateX(-5px); } 75% { transform: translateX(5px); } } @keyframes glowingText { 0% { text-shadow: 0 0 5px #fff; } 50% { text-shadow: 0 0 15px #f1c40f; } 100% { text-shadow: 0 0 5px #fff; } } @keyframes bounce { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-5px); } } /* --- CONTAINER --- */ .stijob-quiz-container { font-family: 'Poppins', sans-serif; max-width: 850px; margin: 0 auto; background: #fff; color: var(--dark); position: relative; overflow: hidden; min-height: 500px; box-shadow: 0 5px 25px rgba(0,0,0,0.1); } .urdu-text { font-family: 'Noto Nastaliq Urdu', serif; direction: rtl; line-height: 2.2; font-size: 1.15em; color: #000; margin-top: 8px; display: block; } .view-section { display: none; padding: 15px; padding-bottom: 30px; } .view-section.active { display: block; animation: slideInUp 0.4s ease-out; } /* --- HEADER --- */ .quiz-header { background: linear-gradient(135deg, #fdfbfb 0%, #ebedee 100%); padding: 20px 10px; text-align: center; border-bottom: 3px solid #e1e8ed; } .quiz-header h2 { margin: 0; color: var(--primary); font-size: 1.5rem; font-weight: 800; } .quiz-header p { margin: 5px 0 0; font-size: 0.85rem; color: #7f8c8d; text-transform: uppercase; letter-spacing: 1px; } /* --- STICKY STATS --- */ .sticky-stats-bar { position: sticky; top: 0; z-index: 1000; background: var(--primary); color: white; display: flex; justify-content: space-between; align-items: center; padding: 10px 15px; box-shadow: 0 4px 10px rgba(0,0,0,0.2); font-size: 0.9rem; } .stat-box { background: rgba(255,255,255,0.2); padding: 4px 12px; border-radius: 20px; font-weight: 600; } .close-btn { background: #e74c3c; border: 2px solid white; color: white; width: 30px; height: 30px; border-radius: 50%; font-weight: bold; cursor: pointer; line-height: 26px; text-align: center; } /* --- SETS TABLE --- */ .sets-table-container { width: 100%; overflow-x: auto; border-radius: 8px; box-shadow: 0 2px 10px rgba(0,0,0,0.05); } .sets-table { width: 100%; border-collapse: collapse; margin-top: 10px; } .sets-table tr { border-bottom: 1px solid #eee; cursor: pointer; } .sets-table tr:hover { background-color: #f1f8ff; } .sets-table td { padding: 15px; vertical-align: middle; } .set-icon { width: 40px; 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cursor: pointer; width: 100%; font-weight: 800; text-transform: uppercase; margin-top: 10px; letter-spacing: 1px; box-shadow: 0 4px 15px rgba(26,82,118,0.3); } /* --- RESULT & LEADERBOARD --- */ .result-table { width: 100%; text-align: center; border-collapse: collapse; margin-bottom: 20px; } .result-table th { background: var(--primary); color: white; padding: 10px; } .result-table td { padding: 10px; border-bottom: 1px solid #eee; } /* FIXED MOBILE LEADERBOARD (No Scrolling) */ .leaderboard-table { width: 100%; border-collapse: collapse; font-size: 0.8rem; /* Smaller font for mobile fit */ table-layout: fixed; /* Forces table to fit width */ } .leaderboard-table th { background: #f39c12; color: #fff; padding: 8px 4px; text-align: left; } .leaderboard-table td { padding: 8px 4px; border-bottom: 1px solid #eee; word-wrap: break-word; /* Breaks long words */ overflow-wrap: break-word; white-space: normal; /* Allows wrapping */ } /* Column Widths to ensure fit */ .col-rank { width: 12%; text-align: center; } .col-name { width: 28%; font-weight: bold; } .col-school { width: 25%; color: #666; font-size: 0.75rem; } .col-city { width: 20%; font-size: 0.75rem; } .col-score { width: 15%; text-align: center; font-weight: bold; color: var(--success); } /* --- WHATSAPP PROMO BOX --- */ .wa-promo-box { background: linear-gradient(135deg, #dcf8c6 0%, #ffffff 100%); border: 2px solid var(--wa-color); border-radius: 12px; padding: 20px; text-align: center; margin: 25px 0; box-shadow: 0 5px 15px rgba(37, 211, 102, 0.2); animation: bounce 2s infinite; } .wa-promo-text { font-weight: 800; color: #075e54; margin-bottom: 15px; font-size: 1.1rem; line-height: 1.4; } .wa-join-btn { display: inline-block; background: var(--wa-color); color: white; text-decoration: none; padding: 12px 25px; border-radius: 50px; font-weight: 900; font-size: 1rem; text-transform: uppercase; box-shadow: 0 4px 10px rgba(37, 211, 102, 0.4); transition: 0.3s; } .wa-join-btn:hover { transform: scale(1.05); box-shadow: 0 6px 15px rgba(37, 211, 102, 0.5); } /* --- SHARE --- */ .share-container { display: flex; gap: 10px; margin-top: 20px; } .share-btn { flex: 1; padding: 12px; text-align: center; color: white; text-decoration: none; border-radius: 8px; font-weight: 900; font-size: 0.9rem; } .bg-wa { background: #25D366; } .bg-fb { background: #1877F2; } .bg-in { background: #E4405F; } /* --- FOOTER --- */ .dev-footer { background: var(--dev-bg); color: white; text-align: center; padding: 20px; margin-top: 30px; font-size: 0.85rem; border-top: 4px solid var(--accent); } .dev-name { font-size: 1.2rem; font-weight: 900; color: var(--accent); margin-bottom: 5px; letter-spacing: 1px; animation: glowingText 2s infinite; } @media (min-width: 768px) { .stijob-quiz-container { border-radius: 15px; margin: 30px auto; } .leaderboard-table { font-size: 0.95rem; } } 10th Chemistry BISE Sahiwal Session 2025-26 | ALP Smart Syllabus * Please enter Real Details for Leaderboard Start Quiz Portal MAJID FAROOQ From Arifwala | 0314-6685547✉️ majidfarooq295@gmail.com Select Your Topic Click on any topic to start instantly 1/30 20:00 ✓ 0 ✕ Next Question → ✕ Close RESULT CARD TotalCorrectWrong%age 30 0 0 0% Join our WhatsApp channel to get latest updates about education and jobs Join Channel Now 🚀 🏆 Top 40 Students #NameSchoolCity% WhatsApp Facebook Instagram MAJID FAROOQ From Arifwala | 0314-6685547 // CONFIG const topicSets = [ { id: 1, title: "Chemical Equilibrium", sub: "Chapter 9" }, { id: 2, title: "Acids, Bases & Salts", sub: "Chapter 10" }, { id: 3, title: "Organic Chemistry", sub: "Chapter 11" }, { id: 4, title: "Hydrocarbons", sub: "Chapter 12" }, { id: 5, title: "Biochemistry", sub: "Chapter 13" }, { id: 6, title: "The Atmosphere", sub: "Chapter 14" }, { id: 7, title: "Water", sub: "Chapter 15" }, { id: 8, title: "Chemical Industries", sub: "Chapter 16" }, { id: 9, title: "Full Book (Set A)", sub: "Complete Syllabus" }, { id: 10, title: "Full Book (Set B)", sub: "Complete Syllabus" } ]; const masterQuestions = [ { s:1, e:"Unit of Kc for H2 + I2 ⇌ 2HI is:", u:"H2 + I2 ⇌ 2HI ری ایکشن کے لیے Kc کا یونٹ ہے:", o:[{t:"No Unit", u:"کوئی یونٹ نہیں", c:true}, {t:"mol dm-3", u:"مول ڈیسی میٹر", c:false}, {t:"mol-1 dm3", u:"مول انورس", c:false}, {t:"mol-2 dm6", u:"مول سکوائر", c:false}]}, { s:1, e:"Dynamic equilibrium is established when:", u:"ڈائنامک ایکویلیبریم تب قائم ہوتا ہے جب:", o:[{t:"Rf = Rr", u:"فارورڈ ریٹ = ریورس ریٹ", c:true}, {t:"Rf > Rr", u:"فارورڈ > ریورس", c:false}, {t:"Reaction stops", u:"ری ایکشن رک جائے", c:false}, {t:"None", u:"کوئی نہیں", c:false}]}, { s:2, e:"Which ion is produced by acids in water (Arrhenius)?", u:"پانی میں ایسڈ کون سا آئن پیدا کرتا ہے (آرہینیس)؟", o:[{t:"H+", u:"H+", c:true}, {t:"OH-", u:"OH-", c:false}, {t:"Cl-", u:"Cl-", c:false}, {t:"Na+", u:"Na+", c:false}]}, { s:2, e:"pH of pure water is:", u:"خالص پانی کی pH ہے:", o:[{t:"7", u:"7", c:true}, {t:"0", u:"0", c:false}, {t:"14", u:"14", c:false}, {t:"1", u:"1", c:false}]}, { s:3, e:"Vital Force Theory was rejected by:", u:"وائٹل فورس تھیوری کو کس نے مسترد کیا؟", o:[{t:"Wohler", u:"وولر", c:true}, {t:"Dalton", u:"ڈالٹن", c:false}, {t:"Berzelius", u:"برزیلیس", c:false}, {t:"Kekule", u:"کیکولے", c:false}]}, { s:3, e:"General formula of Alkanes is:", u:"الکینز کا عمومی فارمولا ہے:", o:[{t:"CnH2n+2", u:"CnH2n+2", c:true}, {t:"CnH2n", u:"CnH2n", c:false}, {t:"CnH2n-2", u:"CnH2n-2", c:false}, {t:"CnHn", u:"CnHn", c:false}]}, { s:4, e:"Dehydration of Alcohols produces:", u:"الکحل کی ڈی ہائیڈریشن سے بنتا ہے:", o:[{t:"Alkene", u:"الکین", c:true}, {t:"Alkane", u:"الکین", c:false}, {t:"Alkyne", u:"الکائن", c:false}, {t:"Glycol", u:"گلائیکول", c:false}]}, { s:4, e:"Which gas is used for artificial ripening of fruits?", u:"پھلوں کو مصنوعی طور پر پکانے کے لیے کون سی گیس استعمال ہوتی ہے؟", o:[{t:"Ethene", u:"ایتھین", c:true}, {t:"Methane", u:"میتھین", c:false}, {t:"Propane", u:"پروپین", c:false}, {t:"Ethyne", u:"ایتھائن", c:false}]}, { s:5, e:"Amino acids are building blocks of:", u:"امینو ایسڈز کس کے بلڈنگ بلاکس ہیں؟", o:[{t:"Proteins", u:"پروٹین", c:true}, {t:"Lipids", u:"لپڈز", c:false}, {t:"Vitamins", u:"وٹامنز", c:false}, {t:"Carbs", u:"کاربوہائیڈریٹس", c:false}]}, { s:6, e:"Percentage of Nitrogen in atmosphere:", u:"فضا میں نائٹروجن کا فیصد تناسب:", o:[{t:"78%", u:"78%", c:true}, {t:"21%", u:"21%", c:false}, {t:"0.9%", u:"0.9%", c:false}, {t:"0.03%", u:"0.03%", c:false}]}, { s:7, e:"Water density is maximum at:", u:"پانی کی کثافت سب سے زیادہ ہوتی ہے:", o:[{t:"4°C", u:"4°C", c:true}, {t:"0°C", u:"0°C", c:false}, {t:"100°C", u:"100°C", c:false}, {t:"-4°C", u:"-4°C", c:false}]}, { s:8, e:"Process used for manufacturing Sodium Carbonate:", u:"سوڈیم کاربونیٹ بنانے کا طریقہ:", o:[{t:"Solvay Process", u:"سولوے پروسیس", c:true}, {t:"Haber Process", u:"ہیبر پروسیس", c:false}, {t:"Contact Process", u:"کنٹیکٹ پروسیس", c:false}, {t:"Fractional", u:"فریکشنل", c:false}]}, ]; let currentUser = {}; let currentSetQuestions = []; let currentIndex = 0; let score = 0; let timerInt; let timeLeft = 1200; document.addEventListener("DOMContentLoaded", () => { initSetButtons(); loadLeaderboard(); }); function initSetButtons() { const tableBody = document.getElementById("set-table-body"); topicSets.forEach((set, index) => { const tr = document.createElement("tr"); tr.onclick = () => startQuiz(set.id); tr.innerHTML = ` ${index + 1} ${set.title}${set.sub} ▶ `; tableBody.appendChild(tr); }); } function submitRegistration() { const n = document.getElementById("reg-name").value.trim(); const s = document.getElementById("reg-school").value.trim(); const c = document.getElementById("reg-city").value.trim(); if(!n || !s || !c) { alert("Please fill all details!"); return; } currentUser = { name:n, school:s, city:c }; document.getElementById("view-register").classList.remove("active"); document.getElementById("view-sets").classList.add("active"); window.scrollTo(0,0); } function goBackToSets() { if(confirm("Exit quiz? Progress will be lost.")) { clearInterval(timerInt); document.getElementById("view-quiz").classList.remove("active"); document.getElementById("view-result").classList.remove("active"); document.getElementById("view-sets").classList.add("active"); window.scrollTo(0,0); } } function startQuiz(setId) { let pool = [...masterQuestions]; while(pool.length Math.random() - 0.5); currentSetQuestions = pool.slice(0, 30); score = 0; currentIndex = 0; timeLeft = 1200; document.getElementById("live-score").innerText = "0"; document.getElementById("view-sets").classList.remove("active"); document.getElementById("view-quiz").classList.add("active"); window.scrollTo(0,0); startTimer(); renderQuestion(); } function startTimer() { clearInterval(timerInt); const el = document.getElementById("timer"); timerInt = setInterval(() => { timeLeft--; let m = Math.floor(timeLeft/60); let s = timeLeft%60; el.innerText = `${m}:${s { const btn = document.createElement("button"); btn.className = "option-btn"; btn.dataset.correct = opt.c; btn.innerHTML = `${opt.t}${opt.u}`; btn.onclick = () => handleAnswer(btn, opt.c); grid.appendChild(btn); }); div.appendChild(grid); document.getElementById("next-btn").style.display = "none"; } function handleAnswer(btn, isCorrect) { const all = document.querySelectorAll(".option-btn"); all.forEach(b => { b.style.pointerEvents = "none"; if(b.dataset.correct === "true") b.classList.add("correct"); }); if(!isCorrect) btn.classList.add("wrong"); if(isCorrect) { score++; document.getElementById("live-score").innerText = score; } document.getElementById("next-btn").style.display = "block"; } function nextQuestion() { currentIndex++; if(currentIndex < 30) { renderQuestion(); } else finishQuiz(); } function finishQuiz() { clearInterval(timerInt); document.getElementById("view-quiz").classList.remove("active"); document.getElementById("view-result").classList.add("active"); window.scrollTo({ top: 0, behavior: 'smooth' }); const perc = Math.round((score/30)*100); document.getElementById("res-correct").innerText = score; document.getElementById("res-wrong").innerText = 30 - score; document.getElementById("res-percentage").innerText = perc + "%"; const badge = document.getElementById("res-badge"); const remarks = document.getElementById("res-remarks"); if(perc >= 50) { badge.innerText = "PASSED"; badge.style.backgroundColor = "#27ae60"; remarks.innerText = perc >= 80 ? "EXCELLENT!" : "GOOD JOB!"; remarks.style.color = "#27ae60"; } else { badge.innerText = "FAILED"; badge.style.backgroundColor = "#c0392b"; remarks.innerText = "HARD LUCK!"; remarks.style.color = "#c0392b"; } updateLeaderboard(perc); setupShareButtons(score, perc); } function updateLeaderboard(finalPerc) { let lb = JSON.parse(localStorage.getItem("chem10_lb_persistent_v8")) || []; lb.push({ name: currentUser.name, school: currentUser.school, city: currentUser.city, score: finalPerc }); lb.sort((a,b) => b.score - a.score); lb = lb.slice(0, 40); localStorage.setItem("chem10_lb_persistent_v8", JSON.stringify(lb)); renderLeaderboardTable(lb); } function loadLeaderboard() { let lb = JSON.parse(localStorage.getItem("chem10_lb_persistent_v8")) || []; renderLeaderboardTable(lb); } function renderLeaderboardTable(data) { const tbody = document.getElementById("leaderboard-body"); tbody.innerHTML = ""; if(data.length === 0) { tbody.innerHTML = `Be the first to join the Top 40!`; return; } data.forEach((item, i) => { const tr = document.createElement("tr"); if(item.name === currentUser.name && item.school === currentUser.school && item.score === Math.round((score/30)*100)) { tr.style.backgroundColor = "#e8f8f5"; tr.style.fontWeight = "bold"; } tr.innerHTML = `${i+1}${item.name}${item.school}${item.city}${item.score}%`; tbody.appendChild(tr); }); } function setupShareButtons(s, p) { const url = encodeURIComponent(window.location.href); const txt = encodeURIComponent(`I scored ${s}/30 (${p}%) in 10th Chemistry Quiz! Can you beat me?`); document.getElementById("share-wa").href = `https://wa.me/?text=${txt} ${url}`; document.getElementById("share-fb").href = `https://www.facebook.com/sharer/sharer.php?u=${url}`; document.getElementById("share-in").href = "#"; }