Science5–8 marks board weightPYQ-tagged

🔬 Carbon and its Compounds

CBSE Class 10 · Science · Chapter 4

29Notes slides

15Quick-drill MCQs

30Board-paper marks

20CBT questions

5Topper templates

Take the 20-MCQ CBTTimer + scorecard · failed-MCQ → revision deep-link

Six free PDFs cover every angle — read the deck, drill the MCQs, sit the full board paper, then check the marking scheme.

📖Notes Deck29 slides

Full lecture deck with motifs and misconception red-boxes. Read this first.

📝Quick Drill15 MCQs · 20 min

PYQ-tagged MCQs with year, set, marks and per-Q time budget.

📄Board Paper30 marks · 90 min

Full CBSE-pattern paper. Sit it closed-book before the marking scheme.

✅Marking Scheme + Topper Templates5 templates

Model answers + topper-template structures markers reward.

⚡Cheat Sheet1 page

Exam-day card: formulas, top PYQ patterns, 90-min revision flow.

👨‍👩‍👧For Parents1 page

Plain-language parent guide: what's learned + questions to ask.

96%	Reactions of ethanol & ethanoic acid (with Na, NaOH, esterification) — Always quote the catalyst (Na metal / conc. H2SO4) AND the observation (effervescence / sweet smell).	5 MARKS
90%	Soap micelle drawing + cleansing action + hard-water scum — Label hydrophilic head + hydrophobic tail; explain Ca2+/Mg2+ scum; contrast detergent.	5 MARKS
85%	Identify functional group and name the homologous series member — Spot the suffix: -ol = alcohol, -al = aldehyde, -one = ketone, -oic acid = carboxylic acid.	3 MARKS
80%	Covalent bonding electron-dot structures (CH4 / H2O / NH3 / N2) — Count valence electrons; show shared pairs as : between atoms; confirm octet/duet.	3 MARKS
65%	Diamond vs graphite — structure → property → use — Always link STRUCTURE to PROPERTY to USE in one chain (3D rigid → hard → cutting; layers → soft → pencil).	3 MARKS

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Carbon and its Compounds · Class 10 Science · Chapter 4