CBSE- Carbon and its Compounds-MCQ

1.   The isomeric pair is

2.   Which of the following is used to oxidise ethanol to ethanoic acid?

3.   Which is denatured spirit?

        (a) ethanol only

(b) ethanol and methanol (50%)

        (c) ethanol and methanol (5%)

(d) methanol only

4.   Tertiary butane gets oxidised with oxidising agents like alkaline KMNO₄ to

        (a) Isobutane

(b) Ter-butyl alcohol

        (c) Seconadary-propyl alcohol

(d) All of above

5.   The substnace not responsible for the hardness of water is

        (a) Sodium nitrate

(b) calcium hydrogen carbonate

        (c) calcium carbonate

(d) magnesium carbonate

6.   The by product of soap is

7.   Covalent compounds

        (a) (a) have high melting and boiling point

        (b) are mostly soluble in water

        (c) are formed between atoms of metals and non-metals

        (d) are formed by the sharing of electrons in the bonding atoms.

8.   Vinegar is a solution of

        (a) 30% � 40% acetic acid in alcohol

(b) 5% � 8% acetic acid in alcohol

        (c) 5% � 8% acetic acid in water

(d) 15% � 20% acetic acid in water

9.   Which of the following can be used for the denaturation of ethyl alcohol?

10.   Soaps are formed by saponification of