Everyday Science MCQs

5120 MCQs  (Page 173 of 512)

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Compound containing benzene ring in their structure are __________________?
A. Aliphatic
B. Aromatic
C. Carboxylic acid
D. Carbohydrates
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Which of the following is an amide________________?
A. R-nh2
B. Rconh2
C. R – nh – r
D. C6h5nh2
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Only sigma bonds are present in__________________?
A. Propene
B. Butanoic acid
C. Butanal
D. Ethoxy ethane
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The structure of ethyne is_________________?
A. Angular
B. Trigonal
C. Linear
D. Trigonal planar
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The general formula of cycloalkene is __________________?
A. Cnh2n
B. Cnh2n+2
C. Cnh2n-1
D. Cnh2n-2
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C5H12 has the number of isomers ___________________?
A. One
B. Two
C. Three
D. Four
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Octane number can be improved by________________?
A. Isomerization
B. Adding (c2h5)4 pb
C. Adding (ch3)4 pb
D. All
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Octane number 2 2 4-trimethyl pentane is________________?
A. 100
B. 90
C. 80
D. 70
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Propene can exhibit________________?
A. Cis-trans isomerism
B. Geometric isomerism
C. Both a & b
D. None of the above
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Pentane and 2-methyl butance have the same_______________?
A. Boiling point
B. Melting point
C. Percentage composition
D. Structural formula
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Word of the Day
23 Jul
Aisle
a passage between rows of seats in a building such as a church or theatre, an aircraft, or train.
طویل تنگ راستہ، نشتوں کے درمیان راستہ

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