ICSE Class 10 Chemistry MCQ Drills: Organic & Inorganic
Graded practice papers for ICSE Class 10 Chemistry: sample MCQs you can solve now, plus a weekday drill plan before prelims.

It is a Tuesday in February, and the ICSE Class 10 Chemistry textbook is open to organic nomenclature again. Your child can name functional groups aloud, but the last school prelim still shows minus marks on IUPAC stems they swore they knew. That gap shows up the same way everywhere: theory feels solid until the timer starts and one wrong suffix costs two marks.
Six sample ICSE Chemistry MCQs below (organic, inorganic, and numerical) with answers and trap notes you can solve in under five minutes.
Rotate organic Tuesday, inorganic Thursday, numerical Friday; retry weak chapters after 48 hours before stacking full prelim mocks.
You searched for ICSE class 10 chemistry MCQ practice, so start with real questions, not a schedule essay. Attempt the six items below without peeking. Open each answer only after you have picked A, B, C, or D. If two or more organic items fail, Tuesday nomenclature drills come before another full prelim mock.
Sample MCQs: organic nomenclature
Organic cluster (2 marks each)
ICSE often tests IUPAC stems and functional groups in one-mark and two-mark MCQs. Time yourself: 90 seconds per question.
1. What is the correct IUPAC name for CH₃CH₂CH₂OH?
Answer and explanation
Answer: A
A three-carbon chain with −OH on the terminal carbon is propan-1-ol. The locant 1 tells the examiner you know primary alcohol numbering.
Trap: Option B shifts the −OH to the middle carbon (propan-2-ol). Students pick it when they miscount from the wrong end of the chain.
2. Which functional group is present in CH₃COOH?
Answer and explanation
Answer: C
Ethanoic acid contains the carboxyl group −COOH. ICSE MCQs often swap it with aldehyde or ester when the formula is written in condensed form.
Trap: Option A tempts students who see a carbonyl and stop reading before the −OH on the same carbon.
Sample MCQs: inorganic acids and bases
Inorganic cluster
Acids-bases-salts and metallurgy MCQs mix definition recall with one-step reasoning. Watch pH direction and gas tests.
1. A solution has pH 3. Which statement is correct?
Answer and explanation
Answer: C
pH below 7 means acidic. ICSE papers rarely ask for "strong" vs "weak" in one-mark items, they check whether you know the scale direction.
Trap: Option D sounds careful but wastes time. pH alone tells you acidity; you do not need the acid name for this item.
2. Which gas turns acidified potassium dichromate paper green?
Answer and explanation
Answer: B
Sulphur dioxide is a reducing gas and turns acidified K₂Cr₂O₇ paper from orange to green. This pairs with acids-bases-salts and metallurgy chapters.
Trap: CO₂ is acidic in water but does not give this dichromate test, students confuse "acidic gas" with SO₂-specific colour changes.
Sample MCQs: numericals and equations
Numerical cluster
Mole concept and equation MCQs reward fast arithmetic. Round only at the end, ICSE options are often spaced to catch mid-step errors.
1. How many moles are present in 8.8 g of CO₂? (Molar mass of CO₂ = 44 g mol⁻¹)
Answer and explanation
Answer: B
Moles = mass ÷ molar mass = 8.8 ÷ 44 = 0.2 mol. Keep units attached until the final step.
Trap: Option A comes from dividing 8.8 by 88 (using O₂ molar mass by mistake). Option D inverts the division (44 ÷ 8.8).
2. When zinc reacts with dilute sulphuric acid, the products are:
Answer and explanation
Answer: A
Zn + H₂SO₄ (dil.) → ZnSO₄ + H₂↑. Active metals above hydrogen in the reactivity series displace hydrogen from dilute acids.
Trap: Option D swaps the acid anion, a common slip when students memorise "metal + acid → salt + hydrogen" without checking which salt forms.
MCQ-heavy drill vs full prelim mock: A 20-mark MCQ-heavy drill targets one Chemistry cluster with mostly one-mark and two-mark items plus a few applied reasoning questions. It builds speed and exposes weak definitions. A 50-mark Saturday paper mixes MCQs with short answers to simulate school prelim timing. Do not skip straight to 80-mark mocks without section drills.
Weekly Chemistry rotation
A weekday rotation keeps organic, inorganic, and numerical work from colliding in one tired evening. Monday is light prep; Tuesday through Friday carry the retrieval load; Saturday simulates prelim length on weak topics only. Swap chapter examples to match what your last graded report flagged red.
If you scored four or more correct on the samples above, your reading speed is fine, the next leak is usually under timed sets. If you scored two or fewer, do not schedule an 80-mark mock this weekend. Run one twenty-mark drill on the cluster that failed and check the graded report before you add more chapters.
Parents watching from the doorway should look for one number: mastery on the chapter tag, not total pages revised. The PIN-gated dashboard shows that after each graded attempt. Fifteen minutes on Sunday beats an hour of hovering on Tuesday when prelims are two weeks out.
| Day | Focus | Chapter examples | Paper format | Goal |
|---|---|---|---|---|
| Mon | Words prep | Chemistry terminology | 10 min /words | Option text accuracy before organic day |
| Tue | Organic | Functional groups, nomenclature | 20 marks MCQ-heavy | IUPAC-style stems under time |
| Wed | Rest or light review | One misconception | n/a | Parent PIN review or NCERT intext |
| Thu | Inorganic | Acids, bases, salts, metallurgy | 20 marks MCQ-heavy | pH, reactions, extraction steps |
| Fri | Numericals | Mole concept, balancing | 20 marks mixed | Equation and stoichiometry speed |
| Sat | Weak topics only | Lowest mastery chapters | 50 marks mixed | Prelim simulation |
| Sun | One retry | Weakest cluster from week | 20 marks | 48h spacing, not same-night cram |
Per-chapter ICSE Chemistry drill loop
Set up ICSE
Confirm your Mingi profile shows ICSE curriculum and Class 10 Chemistry so stems match your school prelim pattern.
Generate one chapter
Create a twenty-mark MCQ-heavy worksheet on a single chapter topic, nomenclature Tuesday, acids-bases Thursday, mole concept Friday.
Solve under time
Use interactive mode and attempt every item before peeking at answers. Partial recall under a timer is what ICSE MCQs test.
Grade and tag errors
After AI grading, separate nomenclature slips from conceptual gaps and careless option misreads so the next drill targets the right failure mode.
Retry after spacing
If mastery stays below sixty percent, repeat the same chapter after forty-eight hours, not the same night.
Run a full 20-mark set on your weak chapter
You tried six samples. Generate a timed ICSE Chemistry worksheet on the cluster that scored lowest, organic, inorganic, or numerical.
Generate tonight's 20-mark ICSE Chemistry drillFour-week plan before prelims
Weeks one and two build the Tuesday organic / Thursday inorganic / Friday numerical rhythm without jumping to full mocks. Run daily twenty-mark drills on those three focus days, and add a second Tuesday nomenclature set if graded mastery stays below fifty percent. The goal is proving each cluster survives a closed-book attempt.
Week three adds Saturday fifty-mark mixed papers timed like your school prelim. Keep Sunday as one weak-topic retry only. By now you should know whether pH numericals or metallurgy extraction steps leak more marks, let that data pick Saturday's chapter emphasis.
Week four tightens when prelims are inside two weeks. Escalate acids-bases and metallurgy with back-to-back drills spaced forty-eight hours apart. The second attempt on the parent dashboard shows whether reaction reasoning or definition recall is the actual bottleneck.
The final fortnight alternates fifty-mark prelim-style papers with targeted twenty-mark MCQ retries on whatever scored lowest. Pair evening drills with NCERT intext questions so board wording feels familiar. See the ICSE practice worksheets guide for full paper formats beyond MCQ-only nights.
20
Marks per MCQ drill
48h
Retry gap
3
Focus areas weekly
₹1,299/mo
Starter plan
Pair with Words before organic day: Run a ten-minute Mingi Words session on Chemistry terminology Monday night. Misread option text costs marks when nomenclature logic is otherwise solid.
Parents: one misconception on Sunday
After Saturday's 50-mark paper, open the PIN-gated parent dashboard and pick one Chemistry topic below 60% mastery. Fifteen minutes beats an hour of hovering on Tuesday night.
For the student reading this: If organic names blur under timing, do one timed 20-mark nomenclature set before you re-read the chapter. Highlighting without closed-book attempts overestimates retention.
Honest limits
- Mingi drills theory and application MCQs; lab practicals and viva need school preparation.
- ICSE wording can differ by school; use Mingi for retrieval speed and teachers for presentation style.
- Chapter priority should follow your prelim mistakes, not only this generic rotation.
See this week without asking.
Fifteen generations, no credit card. Enough to run this four-week Chemistry drill cycle before Starter at ₹1,299/month.
Open the parent dashboardThe Takeaway
- Solve the six sample MCQs closed-book before opening answers; that is the habit prelims test.
- Twenty-mark MCQ sets before 50-mark mixed papers before school prelims.
- Retry nomenclature and pH chapters after 48h if mastery stays below 60%.

