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Chemistry Full portion(very long)

Total questions: 100

Worksheet time: 1hrs 7mins

Name
Class
Date
1.

Name the plastic used for making water pipes

a)

Polythene

b)

PVC

c)

Acrylic

d)

Bakelite

2.

A chain of small chemical units combined to form a large single unit is called ____

a)

a) Polymer

b)

b) Poly

3.

Name the plastic used for non - stick coating

(a)  

4.

Polythene and PVC are examples of

a)

a) Bio degradable substance

b)

b) Thermoplastics

5.

Nylon is prepared from?

(a)  

6.

Select 2 polyester fibres

a)

Polythene

b)

PET

c)

Terylene

d)

Melamine

7.

Polycot is made by mixing two types of fibres namely

(a)  

8.

(a)   is an example of natural polymer

9.

Fire proof plastic uniform worn by fire fighters has a coating of (a)   to make it fire resistant

10.

_________ is the first fully synthetic fibre.

a)

Acrylic

b)

Polyester

c)

Nylon

d)

Rayon

11.

Full form of PET

a)

Polyethylene Terephthalate.

b)

polethelene terephthalate

c)

polithiline terelene

d)

none of the above

12.

Which is the strongest material in the given examples

a)

cotton

b)

rayon

c)

nylon

d)

PET

e)

none of these

13.

PET is a very familiar form of

a)

chemical

b)

monomer

c)

polyester

d)

polyphenyl

14.
Jute is
a)
a man made fibre
b)
an animal fibre
c)
it melts on heating
d)
it is a plant fibre
15.

True or false

Plastics do not effect environment in any way

a)

True

b)

False

16.

melamine is a ____ material

a)

non-versatile

b)

verasatile

c)

versatile

d)

none of these

17.

Where was silk fibre discovered?

a)

France

b)

Germany

c)

India

d)

China

18.

Rayon is obtained from?

(a)  

19.

Rayon is mixed with (a)   to make bedsheets

20.

Nylon is

a)

Strong

b)

Dull

c)

Elastic

d)

Hard to wash

21.

Which type of Plastic is this?

a)

Thermoplastic

b)

Thermosetting plastic

22.

I'am colourful and strong as steel.I can make you reach the peak of a mountain and also help you to reach your office with dry clothes.Who am I?

a)

Polyester

b)

Nylon

c)

Cotton

d)

Silk

23.

What is the coating of pans made up of?

a)

Rayon

b)

Polywool

c)

Teflon

d)

Bakelite

24.

What is the correct meaning of Recover in 5R principle?

a)

Recovering the landfill areas

b)

Recovering the garbage

c)

Recovering the energy used in manufacture of plastic items

d)

None of the above

25.

Many small units of monomer combine to form a (a)   .

26.

(a)   absorb less water, so try dry easily & quickly.

27.

A polymer is a large molecule composed of many repeated units. What is a polyester composed of?

a)

Cellulose

b)

Ether

c)

Polymer

d)

Ester

28.

Identify the type of plastic that can best be used to make electrical switches.

(a)  

29.

Pickles are stored in plastic bottles mainly because they are:

a)

durable

b)

non-biodegradable

c)

non-reactive

d)

non-biodegradable

30.

Fibres of _______ resemble that of silk and hence, it is popularly known as ‘artificial silk’.

a)

acrylic

b)

nylon

c)

rayon

d)

polyester

31.

Modern non-stick cookware and the flat end of an electric iron has a coating of a polymer. Identify the name of the polymer.

(a)  

32.

The smallest unit in making synthetic fibres is

a)

Monomer

b)

Wood pulp

c)

Molecule

d)

Polymer

33.

The fibre that burns with the smell of burning paper is

a)

Wool

b)

Nylon

c)

Cotton

d)

Acrylic

34.

Which fibre is generally called fake fur

a)

Nylon

b)

Polyester

c)

Acrylic

d)

Rayon

35.

Fabric is made up of

a)

Steel

b)

Iron

c)

Fibre

d)

None of these

36.

1. Identify the product based on the given features.

I. It is a man-made product.

II. It has a linear arrangement of monomer units.

III. It is used for making goods like toys, combs, containers, etc.

a)

Lycra

b)

Rayon

c)

Thermosets

d)

Thermoplastics

37.

Rana wants to buy shirts for summer.Should he buy cotton shirts or shirts made from synthetic material?

a)

Cotton shirts

b)

Shirts made from synthetic material

38.

What is correct about Synthetic Fibres ?

a)

They are made by humans in labs and industries using petrochemicals.

b)

They cannot be obtained from Plants or Animals.

c)

The examples of synthetic fibres are Rayon, Nylon, Acrylic and Polyester.

d)

All of the Above

39.

What is A and B

a)

A- Monomer, B- Fibre

b)

A- Polymer, B- Monomer

c)

A- Monomer, B- Polymer

d)

A- Fibre, B- Fabric

40.

What are the types of Polymers ?

a)

Linear Polymer

b)

Tri-Linear Polymer

c)

Cross-Linked Polymer

d)

None of These

41.

Name the metal which is in liquid state.

a)

Iron

b)

Mercury

c)

Zinc

d)

Aluminium

42.

Metals are sonorous in nature. What is sonorous?

a)

Making into powder

b)

Drawn into wires

c)

Make sound on beating

d)

None of these

43.
What does malleable mean?
a)
able to bend
b)
will break easily
c)
can be used for wire
d)
is shiny
44.

A type of rock that contains minerals and metals

a)

ore

b)

metal

c)

malleable

d)

gem

45.

Able to be beaten or hammered into shapes

a)

lustre

b)

malleable

c)

brittle

d)

insulator

46.
The approximate number of elements we know about today is .......
a)
18
b)
48
c)
118
d)
1018
47.
The list which contains only metals is .......
a)
aluminium, copper, nitrogen
b)
iron, oxygen, hydrogen
c)
iron, silver, aluminium
d)
iron, sulphur, copper
48.
Brittle
a)
Metal
b)
Nonmetal
49.
Sulfur
a)
Metal
b)
Nonmetal
50.
Good conductor of heat
a)
Metal
b)
Nonmetal
51.
If a material can easily be drawn into the shape of a wire, it is
a)
Ductile
b)
Magnetic
c)
Malleable
d)
Reactive
52.
zinc + hydrochloric acid ---->
a)
zinc chloride
b)
zinc chloride + hydrogen
c)
zinc chloride + oxygen
d)
zinc chlorine + hydrogen
53.
Which of the following is a metal?
a)
chlorine
b)
sodium
c)
Oxygen
54.
What property of metals means that heat and electricity can move easily through?
a)
luster
b)
conductor
c)
malleable
d)
ductile
55.

Have a high melting point

a)

Metals

b)

Non-Metals

56.
Which of these is a property of metals?
a)
It's malleable
b)
It can't conduct electricity
c)
They are used in food
d)
It's very brittle
57.

All of the following would classify an element as a metal except?

a)

Dull

b)

Luster

c)

Malleable

d)

Ductile

58.
Describe what luster means
a)
How an object reflects light
b)
How soft an object is
c)
If an object floats
d)
If an object can be dug out of the earth.
59.
If you have a material that can conduct electricity well it is probably a...
a)
Metalloid
b)
Matter
c)
Non-metal
d)
Metal
60.

By looking at the element illustrated here, how might you classify it by appearance?

a)

Metal

b)

Non-Metal

c)

Metalloid

61.

Which of the following is the only metal that exist as a liquid at room temperature?

a)

Gold (Au)

b)

Mercury (Hg)

c)

Titanium (Ti)

62.

Argon is a ____________ at room temperature.

a)

Gas

b)

Liquid

c)

Solid

63.

This picture illustrates copper's

a)

brittleness

b)

malleability

c)

ductility

64.
complete the word equation, Iron + Oxygen goes to
a)
Rust
b)
Iron Oxide
c)
Iron Dioxide
d)
Iron fluoride
65.

Which metal is the poor conductor of heat.

a)

Silver

b)

Potassium

c)

Mercury

d)

Iron

66.

The non-metal which is a very good conductor of electricity.

(a)  

67.

A substance is said to be sonorous if it _________.

a)

conducts heat

b)

conducts electricity

c)

conducts water through metal pipe

d)

produces a ringing sound when beaten

68.

Pick the odd one from the following elements.

a)

Carbon

b)

Platinum

c)

Potassium

d)

Gold

69.

Sodium metal is dipped in which of the following substances for storage?

a)

petrol

b)

kerosene

c)

sulphuric acid

d)

vaseline

70.
If a substance is magnetic it is most likely a 
a)
metal 
b)
non-metal
71.

A fossil fuel-

a)

Petroleum

b)

Electricity

c)

Cow dung

d)

Dry leaves

72.

Identify the fuel that leaves more smoke and ash on burning.

a)

Solid fuel

b)

Liquid fuel

c)

Gaseous fuel

d)

None one of the above

73.

Processes by which coal is formed-

a)

Carbonisation

b)

Distillation

c)

Vapourisation

d)

Evaporation

74.

Renewable resources ...

a)

are not replaceable

b)

are used more frequently than non renewables

c)

are never going to run out

d)

going to run out

75.

Are exhaustible resoures unlimited

(a)  

76.

Which of the following properties is NOT a characteristic of a good fuel?

a)

High Ignition temperature

b)

Low cost

c)

Causes minimum pollution

d)

Readily available

77.

The main constituent of LPG is

a)

methane

b)

ethane

c)

propane

d)

butane

78.

Name the substance which is used in candle and ointment

a)

Lubrication oil

b)

Petrol

c)

Bitumen

d)

Paraffin wax

79.

Name the process which is used to separate various constituent of petroleum

a)

Lubrication

b)

Refining

c)

Paraffin

d)

None of these

80.

EXPANDED FORM OF CNG

(a)  

81.

(a)   IS CALLED AS BLACK GOLD

82.

NAME A FUEL WHICH CAN BE USED AS A DOMESTIC FUEL

a)

LPG

b)

CNG

c)

PETROL

d)

BITUMEN

83.

NAME A LIQUID FOSSIL FUEL

(a)  

84.

What do fuels combine with to produce heat and light?

a)

Carbon dioxide

b)

Carbon monoxide

c)

Hydrogen

d)

Oxygen

85.

Identify the fuel that leaves more smoke and ash on burning.

a)

Solid fuel

b)

Liquid fuels

c)

Gaseous fuels

d)

Any one of the above

86.

How is coke superior than coal as a fuel?

a)

Coal is mineral and burns releasing smoke while coke is a residue

b)

Coal is an impure form of carbon, while coke is a pure form of carbon

c)

Only coal consists of atoms of carbon, hydrogen , oxygen and sulphur while coke mainly consists of carbon

d)

All of the above

87.

Which of the following is NOT a fossil fuel.

a)

coal

b)

carbon dioxide

c)

petroleum oil

d)

natural gas

88.

Fossil fuels are a _______________________.

a)

renewable resource

b)

unknown resource

c)

nonrenewable resource

d)

new resource

89.
What must be present for Fossil Fuels to form?
a)
Bones and Sediment
b)
Dead Organisms and Layers of Sediment
c)
Dead Organisms, Layers of Sediment, and Heat & Pressure over time
d)
Bones, Layers of Sediment, and Heat & Pressure over time
90.

What is the other name for natural gas?

a)

petroleum

b)

oil

c)

propane

d)

lignite

91.
What fossil fuel is in the image?
a)
Coal
b)
Natural Gas
c)
Petroleum
92.

What are the most common sources of energy used in automobiles?

a)

Wood and coal

b)

Petroleum and diesel

c)

LPG and cow dung

d)

Natural gas and coal

93.

Which of the following is a renewable natural resource?

a)
b)
c)
d)
94.

Which of the following is an eco-friendly and non-polluting fuel?

a)

Coal

b)

Petrol

c)

Natural Gas

d)

Kerosene

95.

The components of petroleum are separated by

a)

Fractional distillation

b)

Destructive distillation

c)

Sedimentation

d)

Boiling

96.

Petroleum is mainly a mixture of which one of the following class?

a)

Carbohydrates

b)

Alcohols

c)

Carbonates

d)

Hydrocarbons

97.

A natural gas stored under high pressure is called

a)

CNG

b)

LPG

c)

KLG

d)

PNG

98.

coal gas was used for (a)   for the first time in London (hint :tell the year)

99.

Natural Fuels can be classified as

(a)  

100.

The useful substances that are obtained from petroleum are

(a)  

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