Chemistry Questions

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

Which of the following gases turns lime water milky?

Aqueous solution of copper sulphate?

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

There are 15 protons and 22 neutrons in the nucleus of an element. What is its mass number?

If the first and third members of a Dobereiner triad are Phosphorous and Antimony, the second member of this triad is

What is the name of the process where gas is directly converted to solids called?

Researchers at the University of Illinois have discovered new form of matter called Excitonium which was coined by ______ in the 1960’