G12 QUIZ BEE

1. Does the following equation follow the Law of Conservation of Mass?

2H₂ + 2O -------> 2H₂O

• Yes

• No

2. Does the following equation follow the Law of Conservation of Mass?

2K + 2Cl₂ ------> 2KCl

• Yes

• No

3. Iron reacts with oxygen to form ferrous oxide (rust). Suppose 55.86g of iron react with 24.00g of oxygen. What mass of rust must form?

Iron + Oxygen -------> Rust

• 78.89

• 79.86

• 79.88

• 79.90

4. It is the study of matter, its composition, its structure, its properties, the processes that matter undergoes, and the energy changes that accompany these processes.

• Physics

• Physical Property

• Chemistry

• Chemical Property

5. This property is a characteristic that can be observed and measured without changing the identity and composition of a substance.

• Physical Property

• Chemical Property

• Matter

• Mass

6. It is refers to the ability of a substance to undergo changes to transform into a different substance.

• Matter

• Physical Property

• Mass

• Chemical Property

7. A state of matter that has definite shape and volume.

• Gas

• Solid

• Liquid

• Plasma

8. A state of matter that has indefinite shape and volume.

• Solid

• Liquid

• Gas

• Plasma

9. The study of the chemistry of living systems.

• Biochemistry

• Physical Chemistry

• Organic Chemistry

• Inorganic Chemistry

10. One of the branches of Chemistry that studies the quality and quantity of components of substances.

• Biochemistry

• Organic Chemistry

• Analytical Chemistry

• Inorganic Chemistry