25-26 8th Unit 1 Test Retake Properties of Matter

Last updated 9 months ago

13 questions

1

S.8.6.A

1

S.8.6.A

1

S.8.6.A

1

S.8.6.A

1

S.8.6.C

2

S.8.6.C

Required

1

S.8.6.D

1

S.8.6.C

1

S.8.6.C

1

S.8.6.D

1

S.8.6.D

1

S.8.6.D

4

S.8.6.D

Library

25-26 8th Unit 1 Test Retake Properties of Matter

Last updated 9 months ago

13 questions

1

S.8.6.A

1

S.8.6.A

1

S.8.6.A

1

S.8.6.A

1

Which water property is shown in the image above?

S.8.6.C

2

S.8.6.C

Required

1

S.8.6.D

1

S.8.6.C

1

S.8.6.C

1

S.8.6.D

1

Sour taste

S.8.6.D

1

S.8.6.D

4

S.8.6.D

Which of the following statements is TRUE?

Atoms can be broken down into smaller particles by chemical means.

An element is made up of only one type of atom.

The periodic table organizes elements by their reactivity.

Non-metals are usually found on the left-hand side of the periodic table.

Which of the following is a compound?

A mixture of iron filings and sulfur powder.

Pure gold.

Water (H2O).

Nitrogen gas (N2).

Imagine a beaker containing only oxygen molecules (O2). What type of substance is in the beaker?

A compound

A mixture of elements

An element

A mixture of compounds

Why can a mixture of sand and water be separated by filtration, but the hydrogen and oxygen in water cannot?

Because sand and water are both solids.

Because hydrogen and oxygen are gases.

Because sand and water are physically mixed, while hydrogen and oxygen are chemically bonded in water.

Because filtration only works for elements, not compounds.

Which water property is shown in the image above?

The hydrogen bond between the 2 water molecules is an example of _____, while the hydrogen bond between a water and another molecules (like the sides of the tube shown in the diagram) is an example of _

Which of the following is true about the pH levels of acids and bases?

Acids have pH greater than 7, bases have pH less than 7

Acids have pH less than 7, bases have pH greater than 7

Both acids and bases have pH greater than 7

Both acids and bases have pH less than 7

Certain insects can "walk on water" due to the _ of water, created by .

adhesion; specific heat

surface tension; cohesion

this is a false statement

cohesion; universal solvent

Which of the following scenarios is an example of cohesion

water molecules stick to the surface of a mirror

water molecules stick to one another and form a bead

water sticks to the walls of blood vessels

Sour taste

What color does litmus paper turn in an acid?

Blue

Red

Green

Yellow

Which of the following statements is TRUE?

Atoms can be broken down into smaller particles by chemical means.

An element is made up of only one type of atom.

The periodic table organizes elements by their reactivity.

Non-metals are usually found on the left-hand side of the periodic table.

Which of the following is a compound?

A mixture of iron filings and sulfur powder.

Pure gold.

Water (H2O).

Nitrogen gas (N2).

Imagine a beaker containing only oxygen molecules (O2). What type of substance is in the beaker?

A compound

A mixture of elements

An element

A mixture of compounds

Why can a mixture of sand and water be separated by filtration, but the hydrogen and oxygen in water cannot?

Because sand and water are both solids.

Because hydrogen and oxygen are gases.

Because sand and water are physically mixed, while hydrogen and oxygen are chemically bonded in water.

Because filtration only works for elements, not compounds.

The hydrogen bond between the 2 water molecules is an example of _________________, while the hydrogen bond between a water and another molecules (like the sides of the tube shown in the diagram) is an example of _____________

adhesion/cohesion

cohesion/adhesion

surface tension/capillary action

cohesion/cohesion

adhesion/adhesion

Which of the following is true about the pH levels of acids and bases?

Acids have pH greater than 7, bases have pH less than 7

Acids have pH less than 7, bases have pH greater than 7

Both acids and bases have pH greater than 7

Both acids and bases have pH less than 7

Certain insects can "walk on water" due to the _______ of water, created by ______.

adhesion; specific heat

surface tension; cohesion

this is a false statement

cohesion; universal solvent

Which of the following scenarios is an example of cohesion

water molecules stick to the surface of a mirror

water molecules stick to one another and form a bead

water sticks to the walls of blood vessels

What color does litmus paper turn in an acid?

Blue

Red

Green

Yellow