Everyday Science MCQs

5120 MCQs  (Page 174 of 512)

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The first organic compound was synthesized in laboratory by_________________?
A. Wohler
B. Kolbe
C. Berzilius
D. Berthelot
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First organic compound synthesized in laboratory was _________________?
A. Tartaric acid
B. Ethyl alcohol
C. Methanol
D. Urea
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The property of carbon chain formation is called _________________?
A. Catenation
B. Hybridization
C. Polymerization
D. Solvation
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The organic compounds having very high molecular weight are called _________________?
A. Carboxylic acids
B. Ketones
C. Aldehydes
D. Polymers
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Rate of reactions of most organic compounds are____________________?
A. Very slow
B. Very fast
C. Slow
D. No regular character present
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Coal is produced after a long time decay of_________________?
A. Animals
B. Fossils
C. Wood
D. All of the above
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Crude oil is blackish coloured liquid produced after the decay of organic matter present between_________________?
A. Earth layer
B. Mountains
C. Sedimentary rocks
D. Rocks
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At low temperature and pressure cracking can be done in presence of catalyst________________?
A. Al2o3
B. Fe2o3
C. Al2o3 and sio2
D. Fe2o3 and sio2
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Which one of the following compounds shows intense knocking ?
A. N-pentane
B. Iso-heptane
C. Iso-octane
D. N-heptane
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A single atom or group of atoms which gives characteristic properties to a compound is called_________________?
A. Radical
B. Hydrocarbon
C. Functional group
D. Ion
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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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