Chemistry Questions

Which of the following processes will take place the slowest for the same quantity of liquid?

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

Which of the following gases turns lime water milky?

Aqueous solution of copper sulphate?

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

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

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

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