Questions

Which of the following molecules is joined by a double covalent bond?

What is the relative molecular mass of water?

West Bengal shares boundaries with .............. countries

Which park also shares its boundaries with Bangladesh?

In the following question, a sentence has been given in Active/Passive voice. Out of the four alternatives suggested, select the one which best
expresses the same sentence in Passive/Active voice.
He had kept up his training regimen for a month.

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.

To disorder or disarrange (someone's hair), typically by running one's hands through it.

In the following question, out of the four alternatives, select the word similar in meaning to the word given.
Congregation

In the following question, sentence given with blank is to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

Unchecked industrial effluents discharging into the rivers has caused ______________ damage to the environment.