Questions

How many atoms are present in a (NH₄)2SO4 molecule?

Which of the following is a Synthetic rubber?

Improve the bracketed part of the sentence. Human beings are social animals, (who are living in communities), regulated by social norms and laws.

In the following question, out of the four alternatives, choose the word which is opposite in meaning to the given word and click the button corresponding to it.

MALLEABLE

What is the maximum number of days of employment a rural poor would get under 'MGNREGA'?

Which is the most polluted city in the world, according to Air Quality Index 2018?

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best express the same sentence in Indirect/Direct speech.

Vicky said, "I clean my teeth daily."

If x + (1/x) = (√3 + 1)/2, then what is the value of x4 + (1/x4)?