Chemistry Unit Test Review

Is oil a natural resource or synthetic material?

• synthetic material

• natural resource

Tags

NGSS.MS-PS1-3

A balanced chemical reaction obeys the law _________.

• ideal gas

• conservation of energy

• conservation of matter

• definite proportions

Tags

NGSS.MS-PS1-5

Is sand a natural material or synthetic?

• natural

• synthetic

Tags

NGSS.MS-PS1-3

True or False: Synthetic materials are made from natural resources.

• True

• False

Tags

NGSS.MS-PS1-3

True or False: Synthetic materials only have a negative impact on society.

• True

• False

Tags

NGSS.MS-PS1-3

In ________, electrons are gained by atoms and lost by others.

• ionic bonds

• covalent bonds

In __________, electrons are shared by atoms.

• ionic bonds

• covalent bonds

If there are 50 grams of reactant, how many grams of product are produced by the chemical reaction?

• 50g

• 25g

• 0g

• 100g

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Is nylon a natural resource or a synthetic material?

• natural resource

• synthetic material

Tags

NGSS.MS-PS1-3

Is cotton a natural or a synthetic material?

• natural

• synthetic