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UNIT 7 GRADE 6, SCIENCE QUIZ

Total questions: 15

Worksheet time: 11mins

Name
Class
Date
1.

Student name

4 lines
2.

Antifreeze, used to stop car engine from freezing, is a solution made by mixing two liquids

a)

Ethylene glycol & ethanol

b)

Ethanol & water

c)

Ethylene glycol & water

d)

Ethylene glycol & turpentine

3.

A solution that contains a greater proportion of the solute than can normally be dissolved in the solvent is said to be

a)

Dilute solution

b)

concentrated solution

c)

saturated solution

d)

supersaturated solution

4.

solubility of which salt in water is affected little by temperature

a)

Potassium nitrate

b)

Sodium chloride

c)

Sodium bromide

d)

Copper sulphate

5.

Which one is a suspension

a)

Fizzy drinks

b)

alloys

c)

air

d)

calamine lotion

6.

Water is said to be hard because it contains a salt of?

a)

Sodium & Potassium

b)

Calcium & Potassium

c)

Calcium & Magnesium

d)

Magnesium and Iodine

7.

Bronze is an alloy of Tin and?

a)

Copper

b)

Zinc

c)

Lead

d)

Pottasium

8.

Which one of the following is said to be homogeneous?

a)

Solution

b)

Suspension

c)

Mixture

d)

Compound

9.

Some liquid-like iodine uses -------- as a solvent

a)

water

b)

ethanol

c)

Turpentine

d)

petroleum

10.

A substance that dissolves while forming a solution is called :

a)

Solvent

b)

Solute

c)

Mixture

d)

Suspension

11.

An alloy is a solid solution of two or more

a)

Nonmetals

b)

Metals

c)

Chemicals

d)

Solvent

12.

Cement powder mixed with water forms a thick suspension called

a)

slurry

b)

lumps

c)

Granules

d)

None of these

13.

When air fresheners are sprayed in a room, then what type of solution we have

a)

Liquid in air

b)

Liquid in liquid

c)

Gas in gas

d)

Gas in LIquid

14.

turpentine is a solvent made from

a)

Petroleum

b)

Grease

c)

Sulphuric acid

d)

ethanol

15.

Solder is an alloy of tin an

a)

Lead

b)

Iron

c)

Copper

d)

Zinc