Chemistry Unit 2 Test

Carbon dioxide goes from a solid to a gas without becoming a liquid. This is a (chemical/ physical) change.

• chemical
• physical

Tags

NGSS.MS-PS1-4

Shape is a (chemical/ physical) property.

• chemical
• physical

Bleach is an example of a (base/ acid).

• base
• acid

When substances react, their mass remains the (same/ different) after the reaction.

• same
• different

Tags

NGSS.MS-PS1-5

In a physical change, the substance (does/ does not) change its identity.

• does
• does not

A description of an object based on what you observe with your senses includes (physical/ chemical) properties.

• physical
• chemical

Tags

NGSS.5-PS1-3

The ability to react with oxygen is a (physical/ chemical) property.

• physical
• chemical

(Mass/ Weight) is due to gravitational pull.

• Mass
• Weight

Tags

NGSS.MS-PS2-4

The ability for a substance to dissolve in another is (solubility/ flammability).

• solubility
• flammability

(Acids/ Bases) are associated with the number greater than 7 on the pH scale.

• Acids
• Bases