Practice MCQ Questions and answers on Chemistry-GK Page-3 section-8

Section 1 Section 2 Section 3 Section 4 Section 5 Section 6 Section 7 Section 8 Section 9 Section 10 Section 11 Section 12

21.
Which of the following is not a nitrogenous fetiliser?

A. Ammonium sulphate

B. Urea

C. Ammonium nitrate

D. Superphosphate

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22.
Which one of the following is used as a sowing agent in the preparation of soft drinks?

A. Phosphoric acid

B. Phosphorus acid

C. Salicylic acid

D. Boric acid

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23.
Pyrethrin used in mosquito coil is obtained from

A. A seed plant

B. An insect

C. A bacterium

D. A fungus

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24.
What is a common name for the substance which irritates lachrymal glands ?

A. Tear Gas

B. Laughing Gas

C. Anaesthetic Gas

D. Noble Gas

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25.
The material used in solar cells contains

A. Tin

B. Silicon

C. Caesium

D. Thallium

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26.
Which of the following is used to iodise common salt ?

A. Potassium iodide

B. Iodine

C. Potassium iodate

D. Sodium iodide

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27.
A thick paste of cement, sand and water is called

A. Concrete

B. R.C.C.

C. Mortar

D. Kiln

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28.
What is the most commonly used substance in fluorescent tubes?

A. Sodium oxide and argon

B. Sodium vapour and neon

C. Mercury vapour and argon

D. Mercury oxide and neon

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29.
Tear gas is :

A. Chloroprene

B. Carbonyl chloride

C. Nitrous oxide

D. Bleaching powder

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30.
Tetra ethyle lead (TEL) is

A. A catalyst in burning fossil fuel

B. An antioxidant

C. A reductant

D. An antiknock compound

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Practice MCQ Questions and answers on Chemistry-GK

21. Which of the following is not a nitrogenous fetiliser?

Answer & Solution

22. Which one of the following is used as a sowing agent in the preparation of soft drinks?

Answer & Solution

23. Pyrethrin used in mosquito coil is obtained from

Answer & Solution

24. What is a common name for the substance which irritates lachrymal glands ?

Answer & Solution

25. The material used in solar cells contains

Answer & Solution

26. Which of the following is used to iodise common salt ?

Answer & Solution

27. A thick paste of cement, sand and water is called

Answer & Solution

28. What is the most commonly used substance in fluorescent tubes?

Answer & Solution

29. Tear gas is :

Answer & Solution

30. Tetra ethyle lead (TEL) is

Answer & Solution

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21.
Which of the following is not a nitrogenous fetiliser?

22.
Which one of the following is used as a sowing agent in the preparation of soft drinks?

23.
Pyrethrin used in mosquito coil is obtained from

24.
What is a common name for the substance which irritates lachrymal glands ?

25.
The material used in solar cells contains

26.
Which of the following is used to iodise common salt ?

27.
A thick paste of cement, sand and water is called

28.
What is the most commonly used substance in fluorescent tubes?

29.
Tear gas is :

30.
Tetra ethyle lead (TEL) is