Questions

Which of the following countries border touches with China?

The book "Azad Bachpan ki Aur" is written by which author?

What is the value of sin ­7π/4c?

Terylene is a condensation polymer of ethylene glycol and which acid?

Which of the following compounds is the strongest acid?

In the reaction H2O2 + Cl2 -----> 2HCl + O2, H2O2 acts as

A sentence/a part of the sentence is underlined. Four alternatives are given to the underlined part which will improve the sentence. Choose the correctalternative and click the button corresponding to it. In case no improvement is needed, click the button corresponding to "No improvement".

Owing to his respiratory problems the doctor has told him to refrain from smoking.

Out of the four alternatives, choose the one which can be substituted for the given words/sentences and click the button corresponding to it.

A place where astronomical observations are made