Recapitulation

Which of the following you do NOT study under any branch of chemistry?

• composition of milk.

• composition of soap.

• composition of light.

• composition of fertilizers.

In which of the following branch of chemistry, you would study chemotherapy?

• Industrial chemistry.

• Pharmaceutical chemistry.

• Physical chemistry.

• Inorganic chemistry.

Oxygen is a gas. It exists in the form of ___ at room temperature

• atom

• molecule

• ion

• compound

Which of the following is an example of matter?

• Light.

• Heat.

• Tube light.

• Sound.

What is the S.I unit of amount of substance?

• Gram.

• Kilogram.

• Metre.

• Mole.

Which of the following fractions will be used for the hundredth part of the liter?

• Deci.

• Centi.

• Milli.

• Micro.

the term femto stands for

• 10 to the power 15

• 10 to the power -15

• 10 to the power 12

• 10 to the power -12