Class 10 Chemistry MCQs - Chapter 8

Hydrocarbons Multiple Choice Questions (MCQ) PDF - 12

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Hydrocarbons Questions & Answers PDF Download: MCQ Quiz 12

MCQ 56: The red color of tomatoes is due to alkene named

A) ethene

B) propene

C) lycopene

D) butene

MCQ 57: Which of the following is not true about alkanes?

A) they are non-polar

B) they are less dense than water

C) they are insoluble in water

D) they are reactive towards most ionic compounds

MCQ 58: Each carbon atom in an alkane forms

A) one bond

B) two bonds

C) three bonds

D) four bonds

MCQ 59: The reaction in which -OH group is removed from one carbon and H atom from the adjacent carbon atom is called

A) substitution reaction

B) addition reaction

C) elimination reaction

D) dehydration

MCQ 60: Alkanes (saturated hydrocarbons) have a density

A) less than water

B) equal to water

C) more than water

D) more than mercury

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