Questions

CuO + H2 ---> Cu + H2O. This equation is an example of

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.
Are not your father (1)/ and your elder brother (2)/ out of town? (3)/ No Error (4)

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.
Not only did they offer him (1)/ good salary but provided (2)/ him with a beautiful bungalow. (3)/ No Error (4)

Saving is that portion of money income that is .....

Name the international treaty designed to protect the ozone layer from CFCs.

A rectangle with one side 4 cm is inscribed in a circle of radius 2.5 cm. The area of the rectangle in sq.cm is:

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

Let your hair down

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

Don't count your chickens before the eggs have hatched