wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Chemistry 8,9,10

Total questions: 91

Worksheet time: 48mins

Name
Class
Date
1.

Tendency of an element to link with it's own identical atoms is known as

(a)  

2.

How many valency does carbon have

(a)  

3.

Isomers are organic compounds having same ______ formula and different _______ formula .

(a)  

4.

Every homologoue member differ by (a)   group

5.

CnH2n+2 is the general formula for (a)   series .

6.

Alkynes are (a)   bonded compounds

7.

Alkene are (a)   compounds

8.

Aliphatic organic compounds are (a)   chain compounds

9.

90% of naturally occuring compounds are organic in nature due to ________ and ________ .

(a)  

10.

Organic Compound having 3 carbon atoms in a chain has root word as (a)  

11.

When NaOH solution is added to Zinc Nitrate solution

a)

Chalky White ppt formed

b)

Gelatinous White ppt formed

c)

Dirty Green ppt formed

d)

Reddish-brown ppt formed

12.

Identify the Hydroxide soluble in NaOH solution

a)

Calcium Hydroxide

b)

Copper Hydroxide

c)

Ferric Hydroxide

d)

Zinc Hydroxide

13.

Identify the compound formed when Copper Hydroxide reacts with Ammonium Hydroxide

a)

Tetraamminecopper( II ) Hydroxide

b)

Copper Nitrate

c)

Copper Hydrogen Carbonate

d)

Copper Nitride

14.

Identify the compound soluble in water

a)

Zinc Hydroxide

b)

Sodium Zincate

c)

Lead Hydroxide

d)

Lead Sulphate

15.

The ppt formed when Calcium Nitrate reacts with Sodium Hydroxide Solution

a)

Calcium Hydroxide

b)

Calcium Sulphate

c)

Calcium Chloride

d)

Calcium Oxide

16.

The metal ion which can produce a coloured ion

a)

Ferric

b)

Lead

c)

Zinc

d)

Calcium

17.

The Hydroxides which are soluble in NaOH solution

a)

Ferrous & Copper

b)

Ferric & Zinc

c)

Zinc & Lead

d)

Copper & Lead

18.

The salt solution which cannot produce any ppt when treated with Ammonium Hydroxide Solution

a)

Copper Nitrate

b)

Lead Nitrate

c)

Zinc Nitrate

d)

Calcium Nitrate

19.

The salts formed when Zinc Nitrate reacts with Sodium Hydroxide

a)

Zinc Oxide & Sodium Zincate

b)

Zinc Hydroxide & Sodium Zincate

c)

Zinc Carbonate & Zinc Hydroxide

d)

Zinc Oxide & Zinc Hydroxide

20.

The compound formed when Zinc Hydroxide reacts with excess Ammonium Hydroxide

a)

Ammonium Carbonate

b)

Zinc Oxide

c)

TetraamineZinc(II) Hydroxide

d)

Sodium Zincate

21.

The gas produced when excess ammonia reacts with chlorine

a)

Nitrogen

b)

Hydrogen

c)

Chlorine

d)

HCl

22.

A gas which produce acidified potassium dichromate to green

a)

Nitrogen dioxide

b)

Chlorine

c)

Sulphur dioxide

d)

Hydrogen Sulphide

23.

Colourless gas which has sharp pungeant smell and gives dense white fumes with HCl

a)

Nitrogen dioxide

b)

Sulphur dioxide

c)

Hydrogen sulphide

d)

Ammonia

24.

Colourless gas which turns lead acetate paper black

a)

Oxygen

b)

Hydrogen

c)

Carbon dioxide

d)

Hydrogen Sulphide

25.

The gas evolved when dil.Sulphuric acid reacts with sodium sulphite

a)

Hydrogen sulphide

b)

Sulphur dioxide

c)

Sulphur

d)

Carbon dioxide

26.

When silver nitrate react with dil.HCl and forms

a)

White ppt of AgCl

b)

Green ppt of AgCl

c)

Blue ppt of AgCl

d)

Orange ppt of AgCl

27.

The confirmatory test of Nitrogen dioxide is

a)

Turns cobalt chloride paper pink

b)

Turns nessler reagent brown

c)

Turns red litmus blue

d)

Turns acidified ferrous sulphate soln brown

28.

Carbon dioxide and sulphur dioxide gas can be distinguished by using

a)

moist blue litmus paper

b)

Lime water

c)

Acidified potassium dichromate paper

d)

None of the above

29.

Which one of the following will not produce acid when made to react with water

a)

Carbon monoxide

b)

Carbon dioxide

c)

Nitrogen dioxide

d)

Sulphur trioxide

30.

When a freshly prepared solution of ferrous sulphate is added to the salt solution and a conc sulphuric acid is gently poured from the side of the test tube,a brown ring is formed which indicates the presence of

a)

sulphite ion

b)

sulphate ion

c)

carbonate ion

d)

nitrate ion

31.

Nitrogen dioxide is a :

a)

greenish yellow coloured gas

b)

colourless

c)

reddish brown coloured gas

d)

none of these

32.

An acid which is not a hydro acid

a)

H2S

b)

H2SO3

c)

HCl

d)

HBr

33.

The metal oxide which can react with acid as well as alkali is

a)

silver oxide

b)

copper(II) oxide

c)

Aluminium oxide

d)

calcium oxide

34.

The hydroxide which is soluble in excess of sodium hydroxide

a)

Fe(OH)3

b)

Fe(OH)2

c)

Al(OH)3

d)

Zn(OH)2

35.

The ppt of which of the following compounds is soluble in excess of ammonia solution

a)

iron(II) chloride

b)

magnesium chloride

c)

Copper(II) sulphate

d)

lead nitrate

36.

What is the name of 13th element

(a)  

37.

What below is NOT considered matter?

a)

Carbon atoms

b)

Gravity

c)

Bacteria

d)

Air

38.

Matter is anything that.....

a)

Has mass and takes up space

b)

Has mass and is visible

c)

Takes up space and has energy

d)

Has energy and is visible

39.

What particle view below is a mixture?

a)

b)

c)

d)

40.

What is the best classification for this substance?

a)

An element

b)

A compound

c)

A mixture

41.

Is this a pure substance?

a)

Yes

b)

No

42.

What is the best classification of this substance?

a)

An element

b)

A compound

c)

A mixture of 2 elements

d)

A mixture of 2 compounds

43.

What is the best classification of this substance? H2SO4

a)

An element

b)

A compound

c)

A mixture

44.

What is the best classification of this substance? CO2 & H2S

a)

An element

b)

A compound

c)

A mixture of 2 compounds

d)

A mixture of many elements

45.

How would you name this sample? T = triangle, Sq = square, C = circle.

a)

T + Sq + C

b)

TC + Sq

c)

TC4 + Sq3

d)

TCSq

46.

What is an example of a physical property?

a)

Silver is shiny

b)

Alcohols are flammable

c)

Alkali metals are reactive with water

d)

Acids are sometimes corrosive

47.

What is an example of a chemical change?

a)

Tearing paper

b)

Dissolving salt in water

c)

Melting ice

d)

Burning wood

48.

Does this particle view show an element or a compound?

a)

element

b)

compound

49.

Is this image showing a homogeneous or a heterogeneous mixture? Image: Cesar salad

a)

homogeneous

b)

heterogeneous

50.

Is this image showing a homogeneous or a heterogeneous mixture? Image: Milk

a)

homogeneous

b)

heterogeneous

51.

Does this image represent a chemical or a physical change?

a)

Chemical change

b)

Physical change

52.

Does this image represent a chemical or physical change?

a)

Chemical change

b)

Physical change

53.

Which below shows a CHEMICAL change?

a)

b)

c)

54.

How many different TYPES of ATOMS are in this image?

a)

1

b)

2

c)

3

d)

4

55.

How many TOTAL MOLECULES are in this image?

a)

4

b)

5

c)

15

d)

2

56.

How many different TYPES of MOLECULES are in this image?

a)

1

b)

2

c)

4

d)

5

57.

Short hand representation for the atom of a specific element

a)

element

b)

atom

c)

symbol

58.

Symbol of copper is

a)

Co

b)

Cu

c)

Ca

59.

The valency of Chlorine in AlCl3 is

a)

1

b)

3

c)

2

60.

Sulphur shows valencies

a)

2

b)

4

c)

both

61.

The molecular formula for Ammonium carbonate is

a)

(NH4 )2CO3

b)

(NH4 )CO3

c)

(NH4 )2CO

62.

Name the elements present in Ammonia

a)

nitrogen

b)

hydrogen

c)

both nitrogen and hydrogen

63.

Most suitable element and most widely accepted standard unit for the measurement of atomic mass

a)

Oxygen

b)

Carbon

c)

Nitrogen

64.

The molecular formula for Nitric acid

a)

HNO3

b)

HNO2

c)

HNO

65.

Molecular formula for the oxide of calcium is

a)

CaO

b)

Ca2O

c)

none

66.

The symbol and valency of ammonium is

a)

NH4 , valency is 1

b)

NH3, valency is 1

c)

NH3 , valency is 2

67.

The symbol of tungsten is :

a)

Te

b)

Ta

c)

Ti

d)

W

68.

Which of the following is not a symbol of any element?

a)

S

b)

T

c)

U

d)

V

69.

The Latin name of Silver is :

a)

Argantum

b)

Argentam

c)

Argentum

d)

Argentom

70.

Co represents :

a)

Carbon monoxide

b)

Carbon dioxide

c)

Cobalt

d)

Calcium

71.

Atomic mass of Copper is :

a)

65.3 u

b)

64.5 u

c)

63.3 u

d)

63.5 u

72.

The atomicity of sulphur in solid sulphur is :

a)

4

b)

6

c)

7

d)

8

73.

Molecular mass of water is :

a)

16 u

b)

18 u

c)

20 u

d)

22 u

74.

The valency of Ar is :

a)

0

b)

1

c)

2

d)

3

75.

Ammonia is a compound of:

a)

Carbon

b)

Aluminium

c)

Iron

d)

Nitrogen

76.

Which among the following has the highest atomic mass?

a)

S

b)

Cl

c)

Ar

d)

K

77.

The gas produced when excess ammonia reacts with chlorine

a)

Nitrogen

b)

Hydrogen

c)

Chlorine

d)

HCl

78.

A gas which produce acidified potassium dichromate to green

a)

Nitrogen dioxide

b)

Chlorine

c)

Sulphur dioxide

d)

Hydrogen Sulphide

79.

Colourless gas which has sharp pungeant smell and gives dense white fumes with HCl

a)

Nitrogen dioxide

b)

Sulphur dioxide

c)

Hydrogen sulphide

d)

Ammonia

80.

Colourless gas which turns lead acetate paper black

a)

Oxygen

b)

Hydrogen

c)

Carbon dioxide

d)

Hydrogen Sulphide

81.

The gas evolved when dil.Sulphuric acid reacts with sodium sulphite

a)

Hydrogen sulphide

b)

Sulphur dioxide

c)

Sulphur

d)

Carbon dioxide

82.

When silver nitrate react with dil.HCl and forms

a)

White ppt of AgCl

b)

Green ppt of AgCl

c)

Blue ppt of AgCl

d)

Orange ppt of AgCl

83.

The confirmatory test of Nitrogen dioxide is

a)

Turns cobalt chloride paper pink

b)

Turns nessler reagent brown

c)

Turns red litmus blue

d)

Turns acidified ferrous sulphate soln brown

84.

Carbon dioxide and sulphur dioxide gas can be distinguished by using

a)

moist blue litmus paper

b)

Lime water

c)

Acidified potassium dichromate paper

d)

None of the above

85.

Which one of the following will not produce acid when made to react with water

a)

Carbon monoxide

b)

Carbon dioxide

c)

Nitrogen dioxide

d)

Sulphur trioxide

86.

When a freshly prepared solution of ferrous sulphate is added to the salt solution and a conc sulphuric acid is gently poured from the side of the test tube,a brown ring is formed which indicates the presence of

a)

sulphite ion

b)

sulphate ion

c)

carbonate ion

d)

nitrate ion

87.

Nitrogen dioxide is a :

a)

greenish yellow coloured gas

b)

colourless

c)

reddish brown coloured gas

d)

none of these

88.

An acid which is not a hydro acid

a)

H2S

b)

H2SO3

c)

HCl

d)

HBr

89.

The metal oxide which can react with acid as well as alkali is

a)

silver oxide

b)

copper(II) oxide

c)

Aluminium oxide

d)

calcium oxide

90.

The hydroxide which is soluble in excess of sodium hydroxide

a)

Fe(OH)3

b)

Fe(OH)2

c)

Al(OH)3

d)

Zn(OH)2

91.

The ppt of which of the following compounds is soluble in excess of ammonia solution

a)

iron(II) chloride

b)

magnesium chloride

c)

Copper(II) sulphate

d)

lead nitrate

Similar Resources on Wayground

Metals and acids

90 questions

Metals and acids

quiz

Worksheet

•

7th - 9th Grade

Honors Chem Chapter 3

95 questions

Honors Chem Chapter 3

quiz

Worksheet

•

10th Grade

Bonding Test

90 questions

Bonding Test

quiz

Worksheet

•

9th - 12th Grade

Bonding and Nomenclature

90 questions

Bonding and Nomenclature

quiz

Worksheet

•

9th - 12th Grade

Chemistry Unit Review

96 questions

Chemistry Unit Review

quiz

Worksheet

•

9th Grade

S24 Final Review

90 questions

S24 Final Review

quiz

Worksheet

•

9th - 12th Grade

Renewable Energy vs. Non-Renewable Energy (Fossil Fuels)

95 questions

Renewable Energy vs. Non-Renewable Energy (Fossil Fuels)

quiz

Worksheet

•

10th - 12th Grade

C02 Trends Atomic/Ionic Radii

96 questions

C02 Trends Atomic/Ionic Radii

quiz

Worksheet

•

9th - 12th Grade