Chemistry - Study Mode
[#1076] Chemical name of vinegar is
Correct Answer
(B) Acetic acid
Explanation
Solution: Vinegar is an aqueous solution of acetic acid and trace chemicals that may include flavorings.
[#1077] Which one of the following organic compounds has fruity smell?
Correct Answer
(C) Ester
Explanation
Solution: Esters are common in organic chemistry and biological materials, and often have a characteristic pleasant, fruity odour. This leads to their extensive use in the fragrance and flavor industry. Ester bonds are also found in many polymers. Esterification is the general name for a chemical reaction in which two reactants (typically an alcohol and an acid) form an ester as the reaction product. Esters are widespread in nature and are widely used in industry. In nature, fats are, in general, tri-esters derived from glycerol and fatty acids. Esters are responsible for the aroma of many fruits, including apples, durians, pears, bananas, pineapples, and strawberries.
[#1078] Indane gas is mixture of
Correct Answer
(C) Butane and propane
Explanation
Solution: Indane gas is a mixture of butane and propane.
[#1079] The charcoal used to decolourise brown sugar solution is
Correct Answer
(C) Animal charcoal
Explanation
Solution: A brown solution of raw sugar is decolourized when boiled with animal charcoal.
[#1080] The major component in the LPG is
Correct Answer
(B) Butane
Explanation
Solution: The major component in the LPG is Butane.