MEDIUM
10th CBSE
IMPORTANT
Earn 100

Diamond is not a good conductor of electricity because
(a)it is very hard.
(b)its structure is very compact.
(c)it is not water-soluble.
(d)it has no free electrons to conduct electric current.

100% studentsanswered this correctly

Important Questions on Carbon and Its Compounds
EASY
10th CBSE
IMPORTANT
In a double covalent bond number of electron pairs shared is:

MEDIUM
10th CBSE
IMPORTANT
The soap prepared in laboratories is crude soap, it is:

EASY
10th CBSE
IMPORTANT
The odour of ethanoic acid resembles

MEDIUM
10th CBSE
IMPORTANT
On adding sodium bicarbonate to acetic acid, you immediately

EASY
10th CBSE
IMPORTANT
The physical state of pure acetic acid at is

MEDIUM
10th CBSE
IMPORTANT
Acetic acid reacts with zinc in all the test tubes. A pop sound is heard when a burning matchstick is brought near the test tubes. Which test tube will produce this pop sound?

MEDIUM
10th CBSE
IMPORTANT
A student added sodium bicarbonate solution to dilute ethanoic acid. He observed that—

EASY
10th CBSE
IMPORTANT
each of acetic acid and water are mixed together and shaken well. The resulting mixture would appear as in:
