ICSE Class 10 Chemistry 2023 Solved Paper

SECTION - I

Choose the correct answers to the questions from the given options.

Question : 4 of 88

Marks: +1, -0

The vapour density of

{\CH}_3 {\OH}

is...........
(At. Wt.

C=12, H=1, O=16

)

Solution:

\;\;\text " Vapour density "\;=\;{\;\text " Molecular mass "\;}/{2}

\;\;\text " molecular mass of "\; {\CH}_3 {\OH}

\;=12+4+16=32

\;\;\text " V.D. "\;=\;{32}/{2}=16

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