Chemistry Questions

Acids that contain Hydrogen and other non-metallic element(s), except Oxygen, are called

Which of the following is not a component of Smog?

Give an example of a salt which gives an aqueous solution of pH less than 7.

Iron and manganese present as pollutants in water cannot be removed by_____

____ is the most electropositive and ___ is the most electronegative element of the third period of modern periodic table.

There are two elements-calcium (atomic number 20) and argon (atomic number 18). The mass number of both the elements is 40. They are therefore known as

Which gas contributes most to the Greenhouse effect?

Aromatic hydrocarbons contain at least _____ benzene like ring in their molecules.