Introduction to Chemistry Test

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Introduction to Chemistry Test - 1

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Weekly Quiz Competition

Question 1
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Use the following information to answer the question:

Fertilisers provide essential nutrients to crops and increase their yield

Which of the following chemicals is not used as fertilisers?

A
Calcium carbonate

B
Calcium nitrate

C
Sodium nitrate

D
Potash

Solution

Calcium carbonate is medically used as a calcium supplement. Hence, the correct answer is option A.
Question 2
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Which of the following drugs is not an antibacterial drug?

A
Tetracycline

B
Ampicillin

C
Chloroquine

D
Penicillin

Solution

Chloroquine is an anti malarial drug which is used to treat malaria caused by protest not by bacteria while tetracycline, penicillin and ampicillin is an anti bacterial drugs used to treat bacterial diseases.
Question 3
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Choose the correct statement regarding the use of chemistry in agricultural sector.

A
Production of chemicals which decreases the nutrient content of soil

B
Production of chemicals which kill insects, fungi and unwanted herbs

C
Production of chemicals which increases the acidity of the soil

D
Production of chemicals which kills the bacteria beneficial for crops

Solution

Chemicals which can kill the insects, fungi and unwanted herbs help in the growing of crops by preventing it from getting any disease by insects and fungi.
Question 4
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Which of the following elements are used in making Duralumin?

A
Magnesium and Aluminium

B
Carbon and Aluminium

C
Tin and Iron

D
Copper and Iron

Solution

Duralumin is an alloy of aluminium and magnesium. It is a light alloy which is as strong as steel and is used in manufacture of aircraft frames.
Question 5
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Which of the following chemicals can be used to protect daily articles from corrosion?

A
Varnishes

B
Pesticides

C
Terylene

D
Detergents

Solution

Paints, varnishes, rease etc. are used for protection of articles against corrosion.
Question 6
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Which of the following chemicals is used in refrigerators for cooling?

A
Liquefied petroleum gas

B
Chlorofluorocarbon

C
Compressed natural gas

D
Hydrocarbons

Solution

Chlorofluorocarbon gas is widely used in refrigerators for cooling purposes but nowadays its use is discourage because of its adverse effect on ozone layer.
Question 7
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Which of the following will chemicals is used to preserve food from getting spoilt?

A
Sucrolose

B
Alitame

C
Sodium benzoate

D
Aspartame

Solution

Sodium benzoate is commonly used as a food additive to preserve food from getting spoilt. Rests of the given chemicals are used as artificial sweeteners in food.
Question 8
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Use the following information to answer the question:

I- The philosopher's stone is capable of turning stone into gold.
II- Mortar is a substance used in fertilisers.
III- D.D.T. is an insecticide used to kill insects.

Which of the following statements are correct?

A
All are correct

B
Both I and II are correct

C
Both I and III are correct

D
Both II and III are correct

Solution

Mortar is a building material used to bind building blocks like stones, bricks etc. together. Hence, the
Question 9
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Which of the following statement is incorrect?

A
The branch of chemistry that deals with the structure of matter is known as physical chemistry.

B
Fuels are the substances that provide energy on combustion.

C
Chemistry has some harmful impacts on the society.

D
Philosopher's stone was the purest form of matter.

Solution

Philosopher's stone was considered as a mythical and magical substance that could convert any base into purest form of matter. Hence, the correct answer is option D.
Question 10
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Who discovered Oxygen?

A
William Ramsay

B
Michael Faraday

C
Joseph Priestly

D
Daniel Rutherford

Solution

Oxygen was discovered by Jospeh Priestly. Hence, the correct answer is option C.

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Introduction to Chemistry Test - 1

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Introduction to Chemistry Test - 1

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Question 1

Calcium carbonate

Calcium nitrate

Sodium nitrate

Potash

Solution

Question 2

Tetracycline

Ampicillin

Chloroquine

Penicillin

Solution

Question 3

Production of chemicals which decreases the nutrient content of soil

Production of chemicals which kill insects, fungi and unwanted herbs

Production of chemicals which increases the acidity of the soil

Production of chemicals which kills the bacteria beneficial for crops

Solution

Question 4

Magnesium and Aluminium

Carbon and Aluminium

Tin and Iron

Copper and Iron

Solution

Question 5

Varnishes

Pesticides

Terylene

Detergents

Solution

Question 6

Liquefied petroleum gas

Chlorofluorocarbon

Compressed natural gas

Hydrocarbons

Solution

Question 7

Sucrolose

Alitame

Sodium benzoate

Aspartame

Solution

Question 8

All are correct

Both I and II are correct

Both I and III are correct

Both II and III are correct

Solution

Question 9

The branch of chemistry that deals with the structure of matter is known as physical chemistry.

Fuels are the substances that provide energy on combustion.

Chemistry has some harmful impacts on the society.

Philosopher's stone was the purest form of matter.

Solution

Question 10

William Ramsay

Michael Faraday

Joseph Priestly

Daniel Rutherford

Solution

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