Chemistry Questions

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

What was the element used in traditional thermometers which is highly toxic in nature?

The element with the highest electron affinity among halogens is

Which of the following statements is INCORRECT?

I) Bleaching powder is a pale yellow powder

II) Dry NH3 gas turns red litmus blue

III) The pH of rain water is nearly 7

IV) The pH of acid rain is nearly 5.6

The state of matter can be changed into another state by changing the

Which of the following statements is Incorrect?

One of the techniques used for desalination of sea water is

Match the following items of column A with column B.