Science 8

All matter occupies space and has mass. Gravity is an example of matter.

• Both statements are true.
• Both statements are false.
• Only the first statement is true.
• Only the second statement is true.

Intensive property do not depend on the amount of substance present. Freezing point is an example of intensive property.

• Both statements are true.
• Both statements are false.
• Only the first statement is true.
• Only the second statement is true.

Density is an example of extensive property. Extensive property can always be changed.

• Both statements are true.
• Both statements are false.
• Only the first statement is true.
• Only the second statement is true.

Pure substances can be classified as element or compound. Pure substances has definite composition.

• Both statements are true.
• Both statements are false.
• Only the first statement is true.
• Only the second statement is true.

Vapor is the product of condensation. Vapor is a liquid from solid material.

• Both statements are true.
• Both statements are false.
• Only the first statement is true.
• Only the second statement is true.

Mixtures are formed when pure substances are combined. Mixtures can be categorized as homogeneous or heterogeneous.

• Both statements are true.
• Both statements are false.
• Only the first statement is true.
• Only the second statement is true.

Sodium is an example of a compound. Sodium chloride is an example of an element.

• Both statements are true.
• Both statements are false.
• Only the first statement is true.
• Only the second statement is true.

Water and salt combined form a solution. It is an example of heterogenous mixture.

• Both statements are true.
• Both statements are false.
• Only the first statement is true.
• Only the second statement is true.

Atomos is a word that means cuttable. Democritus and Leucippus proposed that matter is indivisible.

• Both statements are true.
• Both statements are false.
• Only the first statement is true.
• Only the second statement is true.

Plum Pudding model is proposed by Thomson. Billiard Ball model is proposed by Rutherford.

• Both statements are true.
• Both statements are false.
• Only the first statement is true.
• Only the second statement is true.