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Sugar and Salt PHET

Total questions: 9

Worksheet time: 5mins

Name
Class
Date
1.

Which would you predict to be a salt?

a)

CO2

b)

CaCl2

c)

C12H22O11

d)

HCKL

2.

If a compound conducts electricity when in solution with water, you might categorize the compound as a...

a)

salt

b)

sugar

c)

both conduct

d)

neither conduct

3.

Which would not conduct electricity very well in solution with pure water?

a)

O2

b)

CaCl2

c)

C12H22O11

d)

Hal

e)

More than one of these

4.

If the microscopic view of a compound in water looks like the picture on the left (I.), you might categorize the compound as a

a)

Salt

b)

Sugar

c)

Neither

5.

To increase the concentration of a solution, you could

a)

Add more water

b)

Add more salt

c)

Evaporate water

d)

Drain out solution

e)

More than one of these

6.

Which would you predict to be ionic?

a)

NO

b)

MgF2

c)

Al2O3

d)

I2

e)

More than one of these

7.

If the microscopic view of a compound in water looks like the picture on the right (II.), you might categorize the compound as a

a)

Ionic

b)

Covalent

c)

Neither

8.

If the microscopic view of a compound in water looks like the picture, you might categorize the compound as

a)

Ionic

b)

Covalent

9.

If Sodium Chloride is added to this solution, how will the concentrations

change?

a)

Only the Na+ will increase

b)

Na+ and Cl- will increase

c)

NO3- will decrease