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Q 1.
What is the melting and boiling point of covalent compound?
Ans.
Low melting and boiling point.
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Q 2.
What type of reaction is that when conversion of ethanol to ethanoic acid takes place?
Ans.
Oxidation.
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Q 3.
Common name of sodium ethanoate?
Ans.
Sodium acetate.
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Q 4.
Name of week Acid?
Ans.
Carboxylic acids.
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Q 5.
Name the widely used preservative in pickles?
Ans.
Vinegar.
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Q 6.
Common name of ethanol?
Ans.
Alcohol.
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Q 7.
Name the process is used to make ghee from vegetables oils?
Ans.
Hydrogenation.
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Q 8.
How Urea is prepared from?
Ans.
Ammonium cyanate.
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Q 9.
Which is an unsaturated carbon compound?
Ans.
Butene.
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Q 10.
The plants, remains of trees and ferns that lived millions of years are?
Ans.
Coal.
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Q 11.
Atomic number of chlorine?
Ans.
17.
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Q 12.
Atomic number of Nitrogen is?
Ans.
7.
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Q 13.
Name the bond that is made between two nitrogen atoms?
Ans.
Triple bond.
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Q 14.
Name the bonds that are made by carbon?
Ans.
Covalent bonds.
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Q 15.
Butanone is a four carbon compound with functional group?
Ans.
Ketone.
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Q 16.
Detergents are?
Ans.
Ammonium salts with chlorides or bromides ions, Sodium salts of sulphonic acids.
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Q 17.
Detergents are?
Ans.
Ammonium salts with chlorides or bromides ions, Sodium salts of sulphonic acids.
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Q 18.
What does it produces, when ethanoic acid reacts with absolute ethanol in presence of an acid catalyst?
Ans.
Ester.
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Q 19.
Common name of ethanoic acid?
Ans.
Acetic acid.
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Q 20.
Which type of carbon chains animals fats have?
Ans.
Saturated.
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