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1. Lavoisier explained the role of:

A Nitrogen in burning

B Oxygen in combustion

C Hydrogen in rusting

D Carbon in respiration

2. Which quantity represents number of moles per liter of solution?

A Strength

B Molality

C Molarity

D Density

3. Which concentration unit is affected by temperature?

A Strength

B Molarity

C Mass percent

D Mole fraction

4. The amount of substance is directly proportional to:

A Volume

B Mass

C Number of particles

D Density

5. Which example shows a chemical change?

A Ice melting

B Water boiling

C Iron rusting

D Salt dissolving

6. Which book was written by Robert Boyle?

A Principia

B The Sceptical Chymist

C Book of Alchemy

D Elements

7. Which age is associated with the use of copper and bronze?

A Stone Age

B Bronze Age

C Iron Age

D Modern Age

8. The word chemistry is derived from:

A Greek

B Arabic

C Latin

D Egyptian

9. Which property of matter can be measured?

A Taste

B Color

C Mass

D Smell

10. Which concentration unit depends on volume?

A Strength

B Molarity

C Mass percent

D Mole fraction

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