Questions

The pH of a solution, whose hydrogen ion concentration is 1 x 10 mole per litre, will be ____.

The color of human skin depends upon

Which of the following physiological symptoms are signs of stress?

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

After a hard days work, I just want to go home.

Mount Abu is a hill station located in _____ ranges.

Where is the world's highest volcanic mountain Cotopaxi located?

CuO + H2 ---> Cu + H2O. This equation is an example of

What is the chemical formula of Ozone?