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Territorial Army Officers Exam General Knowledge Study Material

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General Chemistry

The chemical used as a`fixer` in photography is

a) Sodium sulphate
b) Sodium thiosulphate
c) Ammonium persulphate
d) Borax

✔Answer

✔Solution

Correct Answer Is : Sodium thiosulphate

Solution Is : The chemical used as a`fixer` in photography is sodium thiosulphate

Q.Which of the following minerals is found in beach sand?

a) Gypsum
b) Ilmenite
c) Gold
d) Kyanite

✔Answer

✔Solution

Correct Answer Is : Ilmenite

Solution Is : (B) Ilmenite mineral is found in beach sand.

Plaster of Paris is obtained from

a) Limestone
b) Silica
c) Bauxite
d) Gypsum

✔Answer

✔Solution

Correct Answer Is : Gypsum

Solution Is : ( D ) Plaster of Paris is obtained from Gypsum.

Q.Which of the following is used as antifreeze for the automobile engine?

a) Propyl alcohol
b) Ethanol
c) Methanol
d) Ethylene glycol

✔Answer

✔Solution

Correct Answer Is : Ethylene glycol

Solution Is : (D ) Ethylene glycol is used as antifreeze for the automobile engine.

The highest grade of coal whose surface shines and has the highest calorific value is

a) Anthracite
b) Lignite
c) Hematite
d) None of these

✔Answer

✔Solution

Correct Answer Is : Anthracite

Solution Is : ( A ) The highest grade of coal whose surface shines and has the highest calorific value is Anthracite.

Which of the following is always present in organic compounds?

a) Carbon
b) Nitrogen
c) Sulphur
d) Potassium

✔Answer

✔Solution

Correct Answer Is : Carbon

Solution Is : Carbon is always present in organic compounds

Pollination by wind is called ?

a) Hydrophily
b) Pollinophily
c) Anemophily
d) Herbophily

✔Answer

✔Solution

Correct Answer Is : Anemophily

Solution Is : Pollination by wind is called Anemophily

Which of the following gases are responsible for the greenhouse gas effect on Earth?

a) Water vapour and Carbon dioxide
b) Carbon dioxide and Nitrogen
c) Carbon dioxide and Methane
d) Ozone and Methane

✔Answer

✔Solution

Correct Answer Is : Water vapour and Carbon dioxide

Solution Is : Water vapour and Carbon dioxide are responsible for greenhouse effect on earth .

Which of the following is called Aurum?

a) Bronze
b) Gold
c) Silver
d) Copper

✔Answer

✔Solution

Correct Answer Is : Gold

Solution Is : Gold is also called Aurum .

The chemical used in a photography plate is

a) Barium chloride
b) Silver bromide
c) Silver nitrate
d) Silver chloride

✔Answer

✔Solution

Correct Answer Is : Silver bromide

Solution Is : Silver Bromide is a water insoluble salt well known for its unusual sensitivity to light. This property has allowed silver halides to become the basis of modern photography materials

Territorial Army Officers Exam General Knowledge Study Material

General Chemistry

The chemical used as a`fixer` in photography is

Correct Answer Is : Sodium thiosulphate

Solution Is : The chemical used as a`fixer` in photography is sodium thiosulphate

Q.Which of the following minerals is found in beach sand?

Correct Answer Is : Ilmenite

Solution Is : (B) Ilmenite mineral is found in beach sand.

Plaster of Paris is obtained from

Correct Answer Is : Gypsum

Solution Is : ( D ) Plaster of Paris is obtained from Gypsum.

Q.Which of the following is used as antifreeze for the automobile engine?

Correct Answer Is : Ethylene glycol

Solution Is : (D ) Ethylene glycol is used as antifreeze for the automobile engine.

The highest grade of coal whose surface shines and has the highest calorific value is

Correct Answer Is : Anthracite

Solution Is : ( A ) The highest grade of coal whose surface shines and has the highest calorific value is Anthracite.

Which of the following is always present in organic compounds?

Correct Answer Is : Carbon

Solution Is : Carbon is always present in organic compounds

Pollination by wind is called ?

Correct Answer Is : Anemophily

Solution Is : Pollination by wind is called Anemophily

Which of the following gases are responsible for the greenhouse gas effect on Earth?

Correct Answer Is : Water vapour and Carbon dioxide

Solution Is : Water vapour and Carbon dioxide are responsible for greenhouse effect on earth .

Which of the following is called Aurum?

Correct Answer Is : Gold

Solution Is : Gold is also called Aurum .

The chemical used in a photography plate is

Correct Answer Is : Silver bromide

Solution Is : Silver Bromide is a water insoluble salt well known for its unusual sensitivity to light. This property has allowed silver halides to become the basis of modern photography materials

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