Class 10 Chemistry Exam MCQs – Practice Test 12 (Chapter 8)

Hydrocarbons Notes Questions with Answers PDF Download – Test 12

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Hydrocarbons MCQs – Practice Test 12 PDF Download

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

ethene
propene
lycopene
butene

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

they are non-polar
they are less dense than water
they are insoluble in water
they are reactive towards most ionic compounds

MCQ 58: Each carbon atom in an alkane forms:

one bond
two bonds
three bonds
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:

substitution reaction
addition reaction
elimination reaction
dehydration

MCQ 60: Alkanes (saturated hydrocarbons) have a density:

less than water
equal to water
more than water
more than mercury

Hydrocarbons Exam Prep – Class 10 Chemistry Notes App & e-Book

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