BECE Matter, Elements, and Compounds 2

Question 1

Which state of matter has a definite volume but no definite shape?

Accepted Answer

Liquid

Answer

Liquids have a definite volume but take the shape of their container.

Question 2

Which of the following is a physical property of a substance?

Accepted Answer

Boiling point

Answer

Boiling point is a physical property because it can be measured without changing the substance's chemical identity.

Question 3

What term describes a pure substance made of two or more elements chemically combined in a fixed ratio?

Accepted Answer

Compound

Answer

A compound is formed when two or more elements combine chemically in a definite, fixed ratio.

Question 4

Which of the following represents a chemical change?

Accepted Answer

Burning wood

Answer

Burning wood produces new substances (ash, carbon dioxide, and water vapor) with different properties.

Question 5

Matter in the solid state is best characterized by:

Accepted Answer

A definite shape and definite volume

Answer

Solids have tightly packed particles that give them a fixed shape and a definite volume.

(BECE) Basic Education Certificate Examination Practice Test