Class 10 Chemistry MCQs - Chapter 9

Organic Chemistry Quiz Questions & Answers PDF Download - 3

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Organic Chemistry Exam Questions and Answers PDF Download: Test 3

MCQ 11:

Which of the following is used for artificial ripening of fruits?

ethylene
acetylene
phenol
methanol

MCQ 12:

Alcohols (C_nH_2n+1OH) are formed by the attachment of

OH group to hydrocarbon chain
HX group to hydrocarbon chain
O to hydrocarbon chain
H to hydrocarbon chain

MCQ 13:

The general formula for amines is

R-CH₂
R₂CH
R-NH₂
R-COOH

MCQ 14:

An alkane with molecular formula C7H16 is called

butane
pentane
hexane
heptane

MCQ 15:

What is the general formula of alkenes?

CnH2n+2
CnH2n
CnH2n-2
CnHn

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