Questions

Potassium Permanganate is used for purifying drinking water, because________

If an atom has atomic number 10 and mass number 23, then what will be the number of protons and neutrons in an atom respectively?

In each of the questions, four alternatives are given for the Idiom/Phrase. Choose the alternative which best expresses the meaning of the Idiom/Phrase and click the button corresponding to it.

Mend your ways

In the following question, a sentence has been given in Active/Passive voice. Out of four alternatives suggested, select the one, which best expresses the same sentence in Passive/Active voice.

The workers expected to finish the job.

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'.

I was shocked (A)/ to see how much my grand mother had aged (B)/ since the last time we visited her. (C)/ No Error (D)

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

Have a chip on one's shoulder

In the following question, a word has been written in four different ways out of which only one is correctly spelt. Select the correctly spelt word.

A sentence has been given in Active/Passive Voice. Out of the four given alternatives, select the one which best expresses the same sentence in Passive/Active Voice.

Shah Jahan built the Red Fort.