Free Printable Reviewer M.2/2

1.

Who is Thomas Graham?

a)

a. Australian scientist

b)

b. French scientist

c)

c. Scottish scientist

d)

d. American scientist

2.

A __________ charged ion formed from a hydrogen atom.

a)

a. negative

b)

b. positive

c)

c. equal

d)

d. changed

3.

What is the main component of stomach Acid?

a)

a. Hydrochloric acid

b)

b. Citric acid

c)

c. Sodium hydroxide

d)

d. Solution

4.

pH scale of our stomach.

a)

a. pH 3

b)

b. pH 2

c)

c. pH 1

d)

d. pH 5

5.

The blending of two or more substances.

a)

a. energy

b)

b. mixture

c)

c. water

d)

d. substance

6.

Alloy are the combination of two or more __________ together to form a new substance with different properties.

a)

a. plastics

b)

b. stainless steel

c)

c. metals

d)

d. ceramics

7.

The red and blue paper strips.

a)

a. A4 paper

b)

b. Colored paper

c)

c. News paper

d)

d. Litmus paper

8.

Substance that tastes sour.

a)

a. acid

b)

b. hydrogen ion

c)

c. hydroxide ion

d)

d. base

9.

Substance that tastes bitter.

a)

a. acid

b)

b. hydrogen ion

c)

c. hydroxide ion

d)

d. base

10.

The combination of rain water.

a)

a. typhoon

b)

b. rainfall

c)

c. acid rain

d)

d. flood

11.

The symbol of water

a)

a. H20

b)

b. H30

c)

c. H40

d)

d. H50

12.

pH scale of pure water.

a)

a. 1

b)

b. 2

c)

c. 3

d)

d. 7

13.

pH scale is 7 the Solution is.

a)

a. neutral

b)

b. acid

c)

c. mixture

d)

d. base

14.

The reaction of an acid and base.

a)

a. neutralization reaction

b)

b. pH scale

c)

c. Phenolphthalein indicator

d)

d. acid

15.

Precipitate are the ____________ in a solution.

a)

a. Liquid Substances

b)

b. Gas Substances

c)

c. Substances

d)

d. Solid Substances

16.

A transparent paper.

a)

a. Cellophane

b)

b. Plastic

c)

c. Tissue

d)

d. Bottle

17.

A ___________ charged ion formed from oxygen and hydrogen.

a)

a. Positively

b)

b. Equally

c)

c. Divided

d)

d. Negatively

18.

Acid is a substance that tastes ________.

a)

a. sweet

b)

b. sour

c)

c. bitter

d)

d. salty

19.

Used in bridge construction.

a)

a. brass

b)

b. steel

c)

c. solder

d)

d. bronze

20.

Electronic device.

a)

a. pH Meter

b)

b. Cellphone

c)

c. Laptop

d)

d. Computer

21.

What do you call the effect that also the reason why the sky looks blue?

a)

a. Tyndall effect

b)

b. Storm effect

c)

c. Sleeping effect

d)

d. Medicine effect

22.

How much is the amount of pH of saliva?

a)

a. pH 9

b)

b. pH 10

c)

c. pH 7

d)

d. pH 6

23.

What is the protein in the body that helps to speed up the time it takes for a chemical reaction to take place?

a)

a. Protein

b)

b. Enzyme

c)

c. Carbohydrates

d)

d. Fats

24.

Which of the following is not an example of acid?

a)

a. Acetic acid

b)

b. Citric acid

c)

c. Detergents

d)

d. Hydrochloric acid

25.

Which of the following is not a type of mixture?

a)

a. Suspension

b)

b. Solution

c)

c. Chemical

d)

d. Colloid

26.

Which of the following is not an example of base?

a)

a. oranges

b)

b. soaps

c)

c. shampoos

d)

d. detergents

27.

Smoke has a particle of _____________ in the state of Gas.

a)

a. Liquid

b)

b. Gas

c)

c. Solid

d)

d. Gravity

28.

We can classify substances based on many different properties, Except:

a)

a. colors

b)

b. shapes

c)

c. electrical conductivity

d)

d. price

29.

What do you call the combination of two or more metals?

a)

a. alloy

b)

b. cellophane

c)

c. solution

d)

d. colloid

30.

What do you call the range of numbers from 0 to 14 used to show the concentration of hydrogen ions in solution?

a)

a. Weighing Scale

b)

b. pH Scale

c)

c. Enzyme

d)

d. Litmus Paper

Reviewer M.2/2

Total questions: 30

Worksheet time: 15mins

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