Chemistry Multiple Choice Questions Set – 26

Question 1.

Which of these acids is not organic in origin?

A. Lactic acid
B. Sulphuric acid
C. Citric acid
D. Oxalic acid

Ans: B. Sulphuric acid

Question 2.

Which one is a soluble salt in H2O?

A. CuS
B. Zn(OH)2
C. CaCl2
D. PbCl2

Ans: C. CaCl2

Question 3.

The gas dissolved in water that makes it basic is :

A. Ammonia
B. Sulphur dioxide
C. Hydrogen
D. Carbon dioxide

Ans: A. Ammonia

Question 4.

Match the sourc in Column B with the product of

Column A. (Product)

Column B (Source)

A. Formic acid

  1. Lemon

B. Citric acid

  1. Tamarind

C. Tartaric acid

  1. Ants

A. A B C
3 2 1
B. A B C
3 1 2
C. A B C
2 3 1
D. A B C
2 1 3

Ans: B. A B C 3 1 2

Question 5.

Vinegar is __ .

A. Diluted acetic acid
B. Glacial acetic acid
C. Glacial formic acid
D. Diluted formic acid

Ans: D. Diluted formic acid

Question 6.

Which of the following acts as promoter for iron in Haber’s process?

A. Mn
B. Mo
C. Mg
D. W

Ans: B. Mo

Question 7.

Saline soil contains

A. High concentration of salt
B. Lot of moisture
C. Hard rocks
D. None of the above

Ans: A. High concentration of salt

Question 8.

pH value between 6.5-7.5 makes the soil

A. Basic
B. Neutral
C. Acidic
D. None of these

Ans: D. None of these

Question 9.

One property of ammonia is

A. It is insoluble in water
B. It is a odourless gas
C. It is a yellowish gas
D. Its aqueous solution turns red litmus blue

Ans: D. Its aqueous solution turns red litmus blue

Question 10.

Sour milk contains

A. Acetic acid
B. Tartaric acid
C. Citric acid
D. Lactic acid

Ans: D. Lactic acid

Question 11.

A pungent smell often present near the urinals is due to

A. Sulphur dioxide
B. Chlorine
C. Ammonia
D. Urea

Ans: C. Ammonia

Question 12.

Which one of the following is used for dating very old objects of archaeological importance?

A. Phosphorus-31
B. Tritium
C. Radium
D. Carbon-14

Ans: D. Carbon-14

Question 13.

Basicity of boric acid, H3BO3 is

A. 2
B. 3
C. 4
D. 5

Ans: A. 2

Question 14.

Ammonial is a mixture of

A. Aluminium powder and ammonium nitrate
B. Aluminium powder and ammonium chloride
C. Aluminium powder and ammonium sulphate
D. Aluminium powder and potassium nitrate

Ans: A. Aluminium powder and ammonium nitrate

Question 15.

In which of the following substances all carbon atoms are quaternary in nature ?

A. Graphite
B. Diamond
C. Teflon
D. Napthalene

Ans: B. Diamond

Chemistry GK MCQs all set

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