Free Printable water

Worksheets

water

Total questions: 22

Worksheet time: 13mins

Name

Class

Date

Of the three blue dots in the image, the biggest one represents _____

all of the water on our planet

all of the salt water on our planet

all of the liquid fresh water on our planet

all of the surface freshwater that is accessible

Water is a universal solvent

True

False

A Compound that is being dissolved is called a

Solution

Solute

Solvent

Suspension

A solvent is...

substance into which the solute dissolves

a compound being dissolved

a substance that does not dissolve

None of the above

Acids have more what?

OH ions

OH- ions

H+ ions

All of the above

True of False: There is less water on our planet today then there was 10,000 years ago.

True

False

The pH scale is a range from:

1-7

0-14

1-14

1-20

What is the valency of lead ?

1,2

5,7

2,4

1,4

The valency of Chlorine in AlCl₃ is

10.

The molecular formula for Ammonium carbonate is

(NH₄)₂CO₃

(NH₄ )CO₃

(NH₄ )₂CO

11.

valency of chloride ion is

-1

12.

What is the mass number of this atom?

13.

nitrate ion contains

nitrogen and oxygen

Nitrogen only

Nitrogen ,hydrogen and oxygen

Sodium and nitrogen

14.

The representation for sulphate ion is

SO42-

SO3-

SU2-

All

15.

He coined first time the term Symbol of an element

John Dalton

Avogadro

Berzelius

Aristotle

16.

The chemical name of the compound Na₂S₂O₃

Sodium thiosulphate

Sodium sulphate

Sodiumdisulphidetrisulphide

Disodiumsulphideoxide

17.

The corrected formula of potassium dichromate is

K₂CrO₇

K₂Cr₂O₇

KCrO7

KCrO

18.

The compound represented by formula is Ba(NO₂)₂

Barium nitrate

Barium nitrite

Barium nitiride

Barium nitrooxide

19.

The chemical name of Mg₃N₂is

Magnesium dinitiride

Trimagnesium nitride

Magnesium nitride

Trimagnesium nitrogen

20.

The symbolic representation a molecule of a compound is known as

Chemical formula

Chemical equation

Radical

Chemical name

21.

The unbalanced chemical equation is also known as

Skeletal equation

Skeleton equation

Chemical equation

None of above

22.

The formula of calcium silicate is

CaSiO₃

Ca₂SiO₃

Ca₃SiO₂

None of above

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water

Total questions: 22

Worksheet time: 13mins

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