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Unit 6 Solutions and Solubility

Authored by Kerry Paap

Physics

8th Grade

NGSS covered

Used 80+ times

Unit 6 Solutions and Solubility
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18 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these pH values would indicate that a solution is a weak base?

4
5.6
8
13

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A scientist runs tests on an unknown substance. He finds that it is extremely corrosive. It produces H+ ions in solution. And, it has a pH of 1. What type of substance has he identified?

weak acid

strong acid

weak base

strong base

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What color does acid turn litmus paper?

It turns litmus paper purple.
It turns red litmus paper blue.
It turns blue litmus paper blue.
It turns blue litmus paper red.

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What color does bases turn litmus paper?

It turns litmus paper purple.
It turns blue litmus paper red.
It turns red litmus paper blue.
It turns red litmus paper re

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Which would NOT increase the rate at which a sugar cube dissolves?

Reducing the amount of solvent

Crushing the sugar cube

Stirring the solution

Heating the solvent

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

The solubility graph below shows the amounts of four substances that will dissolve in 100 grams of water at various water temperatures.


Which substance has 80 grams of solute dissolved in 100 grams of water at 50 C?

Potassium Bromide

Ammonium Chloride

Potassium Chloride

Lithium Hydroxide

Tags

NGSS.MS-PS1-4

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

A solution that is able to dissolve additional solute is best described as

supersaturated.

concentrated.

saturated

unsaturated.

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