ICSE − Q & A

1.As we move from left to right in period 3,the gram atomic VOLUME of the elements ______
2.If the empirical formula of a compound is CH2O, then its mol. form can be-a) C2H2 b) C2H4O c) C3H6O d) C6H12O
[told ya they ask marvelous stuff in prelims.]
3.Why is H+ called a proton? [For 2 marks]
4.A compound X(molform C2H2O2) reacts with Na to form a comp R and evolves a gas which burns with pop sound. Comp X on treatment with alcohol A in presence of an acid forms a sweet smelling compound S molform C3H6O2. on addition of NaOH to X also gives R and water. S on treatment with NaOH sol gives back R and A. Identify each. [4 marks]

I miss the old res papers and the friends you could make here.

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I've got an endsem exam in an hour but all I am doing is reading old threads on res. 🥲

Hlooo..itzz been longgg...ICSE 2018 batch anybody??

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