Chemistry - Study Mode

[#816] Saccharin is made up of
Correct Answer

(A) Toluene

Explanation

Solution: Saccharin is a non-nutritive or artificial sweetener. It's made in a laboratory by oxidizing the chemicals o-toluene sulfonamide or phthalic anhydride. It looks like white, crystalline powder.

[#817] The compound to which H 2 does not add is
Correct Answer

(B) Tetraphenyl ethylene

Explanation

Solution: The compound to which H 2 does not add is Tetraphenyl ethylene.

[#818] Which of the following is not a nitrogenous fertilizer ?
Correct Answer

(A) Ca(CN) 2

Explanation

Solution: Ca(CN) 2 is not a nitrogenous fertilizer.

[#819] The pair of compounds used as anaesthetic in medicines :
Correct Answer

(B) Nitrous oxide, Chloroform

Explanation

Solution: Nitrous oxide is one of the more well-known anesthetic gases, and has been in use for around 200 years. Unlike some other anesthetics, this compound can be used both for inducing unconsciousness and pain control. Chloroform is more potent and more toxic than ether. Its use as an anaesthetic decreased with increased experience and knowledge of its dangers.

[#820] Which of the following is used for refrigeration?
Correct Answer

(C) Freon

Explanation

Solution: Common refrigerants used in domestic refrigerators are Freon, neon and nitrogen. It flows through four components of refrigerator again and again.