What is denatured alcohol?

Important Questions on Carbon and its Compounds

EASY

10th CBSE

IMPORTANT

Core Science Chemistry>Chapter 4 - Carbon and its Compounds>EXERCISE 4C>Q 7

Mention the name of the by product of the soap industry.

MEDIUM

10th CBSE

IMPORTANT

Core Science Chemistry>Chapter 4 - Carbon and its Compounds>EXERCISE 4C>Q 8

What is observed when bromine water is added to ethene?

MEDIUM

10th CBSE

IMPORTANT

Core Science Chemistry>Chapter 4 - Carbon and its Compounds>EXERCISE 4C>Q 9

Complete the following chemical equation:
$C{H}_{3}C{H}_{2}OH+Na\to$

MEDIUM

10th CBSE

IMPORTANT

Core Science Chemistry>Chapter 4 - Carbon and its Compounds>EXERCISE 4C>Q 10

The structural formula of an ester is:

Write the molecular formula of the alcohol and the acid from which it would have been formed.

MEDIUM

10th CBSE

IMPORTANT

Core Science Chemistry>Chapter 4 - Carbon and its Compounds>EXERCISE 4C>Q 12

Which gas will be evolved if sodium bicarbonate is added to a solution of tartaric acid?

MEDIUM

10th CBSE

IMPORTANT

Core Science Chemistry>Chapter 4 - Carbon and its Compounds>EXERCISE 4C>Q 1

Give reasons for the following:
(i) Oxidation of ethanol with ${\mathrm{Cr}}_2{\mathrm{O}}_3$ produces ethanal while ethanol when oxidised with alkaline ${\mathrm{KMnO}}_4$ produces ethanoic acid.
(ii) Alcohol supplied for industrial purposes is mixed with copper sulphate.

MEDIUM

10th CBSE

IMPORTANT

Core Science Chemistry>Chapter 4 - Carbon and its Compounds>EXERCISE 4C>Q 2

Complete the following equations and write the names of the products formed:
(i)
(ii)

MEDIUM

10th CBSE

IMPORTANT

Core Science Chemistry>Chapter 4 - Carbon and its Compounds>EXERCISE 4C>Q 3

Explain giving reasons: Detergents, made up of molecules, in which branching is minimum, are preferred these days.