ACS Organic Chemistry Past Papers 3 PDF – Download solved and updated ACS Organic Chemistry exam past papers with practice MCQs, detailed explanations, and test preparation material for competitive chemistry exams on Quaidianpoint .
FPSC Organic Chemistry Test 3 | QUAIDIANPOINT QUAIDIANPOINT
ACS Organic Chemistry
Past Paper 3 — Full Practice Examination
70 Questions 60 Minutes MCQ Format
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`; secIdx++; } html += `
`; ['A','B','C','D'].forEach((letter, j) => { html += `
`; }); html += `
`; }); body.innerHTML = html;
}
function selectOpt(qIdx, optIdx) { const card = document.getElementById(`card-${qIdx}`); if (card.classList.contains('correct-card') || card.classList.contains('wrong-card')) return; for (let j = 0; j < 4; j++) { const o = document.getElementById(`opt-${qIdx}-${j}`); if (o) o.classList.remove('selected','opt-correct','opt-wrong','locked'); } answers[qIdx] = optIdx; const q = questions[qIdx]; const isCorrect = (optIdx === q.ans); for (let j = 0; j < 4; j++) { const o = document.getElementById(`opt-${qIdx}-${j}`); o.classList.add('locked'); if (j === q.ans) o.classList.add('opt-correct'); else if (j === optIdx && !isCorrect) o.classList.add('opt-wrong'); } const fb = document.getElementById(`fb-${qIdx}`); if (isCorrect) { fb.textContent = '✓ Correct! ' + q.exp; fb.className = 'feedback correct-fb'; card.classList.add('correct-card'); } else { fb.textContent = '✗ Incorrect. ' + q.exp; fb.className = 'feedback wrong-fb'; card.classList.add('wrong-card'); } card.classList.add('answered'); updateProgress();
}
function updateProgress() { const answered = answers.filter(a => a !== null).length; document.getElementById('progress-text').textContent = `${answered} / 70 Answered`; document.getElementById('progress-fill').style.width = `${(answered / 70) * 100}%`; document.getElementById('submit-info').textContent = answered < 70 ? `${70 - answered} question(s) unanswered.` : 'All answered — ready to submit!';
}
function requestSubmit() { const unanswered = 70 - answers.filter(a => a !== null).length; document.getElementById('modal-text').textContent = unanswered > 0 ? `You have ${unanswered} unanswered question(s). These will be marked incorrect. Submit anyway?` : `You've answered all 70 questions. Ready to submit?`; document.getElementById('confirm-modal').style.display = 'flex';
}
function closeModal() { document.getElementById('confirm-modal').style.display = 'none'; }
function confirmSubmit() { closeModal(); submitTest(); }
function submitTest() { clearInterval(timerInterval); document.getElementById('test-screen').style.display = 'none'; document.getElementById('result-screen').style.display = 'block'; let correct = 0, wrong = 0, skipped = 0; const sectionScores = sections.map(s => ({ name: s.name, correct: 0, total: s.range[1] - s.range[0] + 1 })); answers.forEach((a, i) => { const secIdx = sections.findIndex(s => i + 1 >= s.range[0] && i + 1 <= s.range[1]); if (a === null) { skipped++; } else if (a === questions[i].ans) { correct++; if (secIdx >= 0) sectionScores[secIdx].correct++; } else { wrong++; } }); const pct = Math.round((correct / 70) * 100); let grade, gradeClass; if (pct >= 90) { grade = 'A+'; gradeClass = 'grade-A'; } else if (pct >= 80) { grade = 'A'; gradeClass = 'grade-A'; } else if (pct >= 70) { grade = 'B'; gradeClass = 'grade-B'; } else if (pct >= 60) { grade = 'C'; gradeClass = 'grade-C'; } else { grade = 'D'; gradeClass = 'grade-D'; } document.getElementById('res-name').textContent = userName; document.getElementById('res-email').textContent = userEmail; document.getElementById('res-score').textContent = correct; const gb = document.getElementById('res-grade'); gb.textContent = grade; gb.className = `grade-badge ${gradeClass}`; document.getElementById('res-pct').textContent = `${pct}% — ${grade}`; document.getElementById('res-correct').textContent = correct; document.getElementById('res-wrong').textContent = wrong; document.getElementById('res-skipped').textContent = skipped; const em = Math.floor(elapsed / 60), es = elapsed % 60; document.getElementById('res-time').textContent = `${em}:${String(es).padStart(2, '0')}`; let bHTML = ''; sectionScores.forEach(s => { const pctS = Math.round((s.correct / s.total) * 100); bHTML += `
${s.name}
${s.correct}/${s.total}
`; }); document.getElementById('breakdown-rows').innerHTML = bHTML;
}
function reviewTest() { document.getElementById('result-screen').style.display = 'none'; document.getElementById('test-screen').style.display = 'block'; window.scrollTo(0, 0);
}
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