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SALT

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

Calcium carbonate reacts with nitric acid to form?

a)

calcium oxide

b)

calcium nitrate

c)

calcium chloride

d)

calcium sulfate

2.

Acid react with metal to form

a)

salt+ carbon dioxide

b)

salt + hydrogen

c)

Salt + Water

d)

Salt + metal oxide

3.

Salt breaks down ice by lowering the ...

a)

boiling point

b)

melting/freezing point

c)

elasticity point

d)

fire point

4.

What happens when you put a red blood cell in a solution with high salt concentration?

a)

the red blood cell will shrink as the water rushes out of the cell toward the salt

b)

the red blood cell will burst as water rushes inward toward the cell

c)

the red blood cell will stay the same size as water flows in and out evenly

5.

What is the scientific name for salt?

a)

Sodium chloride

b)

Hydrochloric acid

c)

Acetic acid

d)

Potassium chloride

6.

What are the sources of salt on Earth?

a)

Pure water

b)

several plants

c)

Mines

d)

Sea water

7.

What physical phenomenon is used in salt marshes?

a)

Melting

b)

Evaporation

c)

Freezing

d)

Condensation

8.

Is consuming salt essential for our health?

a)

YES

b)

NON

9.

What is the maximum daily dose of salt recommended by WHO?

a)

5 g

b)

12 g

c)

5000 mg

d)

1 kg

10.

What are the risks if you eat too much salt?

a)

Hypertension

b)

Stomach cancer

c)

Obesity

d)

All of the above

11.

In one gram of salt, there is 400 mg of Sodium. If I consume 5 g of salt, how many milligrams of Sodium have I consumed?

a)

4 g

b)

2 g

c)

200 mg

12.

Which of the following foods contains the least salt?

a)

Pizza

b)

Potato crisps

c)

Bread

d)

Banana

13.
Which of the following word pairs correctly completes the sentence below?
_______ are corrosive substances characterized as having a strong smell, a sour taste, and a _______.
a)
Acids; pH less than 7
b)
Acids; pH greater than 7
c)
Bases; pH greater than 7
d)
Bases; pH less than 7
14.

What is it called when an acid and a base combine then form a salt and H2O

a)

Neutralization

b)

Acidification

c)

Chemical Bonding

d)

Ionic Reaction

15.

Salt breaks down ice by lowering the ...

a)

boiling point

b)

melting/freezing point

c)

elasticity point

d)

fire point