Questions

Which of the following gas leaked in the Bhopal Gas tragedy in December 1984?

Which of the following is a greenhouse gas or a gas which can deplete the ozone layer?

An element A forms an oxide with formula A3O4. What is the valency of element A?

Which is the only one example of Mollusca Phylum?

A galvanometer can be converted to a voltmeter by connecting

The first programming language was

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

Over my dead body

In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement is needed, select "no improvement".

If all of us (had been) philosophical thinkers, we would not have been deceived by scheming politicians all these years.