MCQ Class 10 Science Carbon and Its Components with Answers

CBSE Class 10 Science Chapter 4 Carbon And Its Compounds Multiple Choice Questions with Answers. MCQ Class 10 Science Carbon And Its Compounds with Answers was Prepared Based on Latest Exam Pattern. Students can solve NCERT Class 10 Science Carbon And Its Compounds MCQs with Answers to know their preparation level.

Multiple Choice Questions - Set - 5

Question 1: 

A student while observing the properties of acetic acid would report that this smells like
(a) vinegar and turns red litmus blue
(b) rotten egg and turns red litmus blue
(c) vinegar and turns blue litmus red
(d) rotten egg and turns blue litmus red

Correct Answer – (C)

Question 2 : 

Which among the following are unsaturated hydrocarbons?

(i)

(ii) 

(iii)

(iv) 

 

(a) (i) and (iii)
(b) (ii) and (iii)
(c) (ii) and (iv)
(d) (iii) and (iv)

Correct Answer – (C)

Question 3 : 

Detergents can be used for washing of clothes
(a) only in hard water
(b) only in soft water
(c) both in soft and hard water
(d) None of the above

Correct Answer – (C)

Question 4 : 

A reagent which can help us to distinguish between alkenes and alkynes is:
(a) Bromine water
(b) Carbon tetrachloride
(c) Alkaline KMnO4
(d) Ammoniacal cuprous chloride

Correct Answer – (D)

Question 5 : 

When ethyl alcohol and acetic acid are mixed, the resulting ester has a chemical formula
(a) CH3COOC2H5
(b) C2H5COOCH3
(c) C2H5COOC2H5
(d)CH3COOCH3

Correct Answer – (A)

Question 6 : 

Structural formula of ethyne is

(a)

(b) 

(c) 

(d) 

Correct Answer – (A)

Question 7 : 

Acetic acid was added to a solid X kept in a test tube. A colourless, odourless gas Y was evolved. The gas was passed through lime water, which turned milky. It was concluded that
(a) solid X is sodium hydroxide and the gas Y is CO2
(b) solid X is sodium bicarbonate and the gas Y is CO2
(c) solid X is sodium acetate and the gas Y is CO2
(d) solid X is sodium bicarbonate and the gas Y is SO2.

Correct Answer – (B)

Question 8 : 

The soap molecule has a
(a) hydrophilic head and a hydrophobic tail
(b) hydrophobic head and a hydrophilic tail
(c) hydrophobic head and a hydrophobic tail
(d) hydrophilic head and a hydrophilic tail

Correct Answer – (A)

Question 9 : 

A few drops of ethanoic acid were added to solid sodium carbonate. The observation made was that
(a) a hissing sound was produced
(b) brown fumes evolved
(c) brisk effervescence occurred
(d) a pungent smelling gas evolved

Correct Answer – (C)

Question 10 : 

Mineral acids are stronger acids than carboxylic acids because
(i) mineral acids are completely ionised
(ii) carboxylic acids are completely ionised
(iii) mineral acids are partially ionised
(iv) carboxylic acids are partially ionised
(a) (i) and (iv)
(b) (ii) and (iii)
(c) (i) and (ii)
(d) (iii) and (iv)

Correct Answer – (A)

Multiple Choice Questions – Chapter 3 – Metals and Non-Metals

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