wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Solutions

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

How many grams of K2Cr2O7, are soluble in 100 g of water at 95 ºC?

a)

83 grams

b)

75 grams

c)

40 grams

d)

12 grams

2.

Which substance is MOST soluble at 0 ºC?

a)

KI

b)

NaNO3

c)

NaCl

d)

Ce2(SO4)3

3.
Which solute is the least soluble at 90 ⁰C?
a)
SO2
b)
KClO3
c)
KI
d)
HCl
4.
When 20 grams of potassium chlorate, KClO3, is dissolved in 100 grams of water at 80 ºC, the solution can be correctly described as:
a)
supersaturated
b)
saturated
c)
unsaturated
5.
When 50 grams of KCl is dissolved in 100 grams of water at 50 ºC, the solution can be correctly described as:
a)
supersaturated
b)
unsaturated
c)
saturated
6.
Which of these solutes does not increase in solubility as temperature rises?
a)
NH3
b)
NaNO3
c)
KNO3
d)
NaCl
7.
What conclusion can be made using this solubility curve?
a)
Decreasing temperatures always increases solubility 
b)
Increasing temperatures always increases solubility
c)
Increasing temperatures usually increases solubility
d)
Temperature has no affect on solubility
8.
This graph represents a(n) ___ solution
a)
saturated
b)
supersaturated
c)
unsaturated
d)
undefined
9.
This solution would be considered
a)
Unsaturated
b)
Supersaturated
c)
Saturated
d)
Undefined
10.
Kool-Aid - Powder, sugar, and water
Identify the solvent 
a)
water
b)
powder
c)
sugar
d)
powder and sugar
11.

You are given a small beaker of solution at room temp. You add a bit of solute to the solution and it dissolves. The solution was:

a)

saturated

b)

unsaturated

c)

concentrated

d)

warm

12.

How do you know when you have a saturated solution?

a)

You don't see anymore material in the solution. It has dissolved.

b)

The material dissolves and no more will dissolve because you see it collect at the bottom.

c)

The solution is bubbling and cloudy.

d)

The solution is clear and there is nothing at the bottom.

13.

To make a solute dissolve more quickly in a solvent which would you do?

a)

Put it in cold water and keep the surface area low by keeping it in large pieces

b)

Put it in warm water and stir it to increase agitation

14.

_________________ substances can dissolve in a liquid.

a)

Insoluble

b)

Soluble

15.

Silver Iodide (AgI)

a)

soluble

b)

insoluble

16.

NH4Cl

a)

soluble

b)

insoluble

17.

Pb(NO3)2

a)

Soluble

b)

Insoluble

18.

Al(OH)3

a)

Soluble

b)

Insoluble

19.

Which solution would be least likely to carry an electric current (NON-electrolyte)?

a)

NaCl

b)

HCl

c)

C6H12O6

d)

CsI

20.
Which of the following is an electrolyte?
a)
sodium chloride
b)
sugar
c)
water