Chemistry - Study Mode

[#621] Aspirin is common name of
Correct Answer

(D) Acetyl Salicylic Acid

Explanation

Solution: Aspirin is common name of Acetyl Salicylic Acid.

[#622] By-product obtained by soap industry is
Correct Answer

(B) Glycerol

Explanation

Solution: By-product obtained by soap industry is glycerol.

[#623] Chloroform can be used as
Correct Answer

(B) Anaesthetic

Explanation

Solution: Chloroform was once administered by inhalation to produce anesthesia, given to relieve pain, and used as a remedy for cough.

[#624] Soap helps in better cleaning of clothes because
Correct Answer

(B) It reduces the surface tension of solution

Explanation

Solution: Soap helps to lower the surface tension of solution, thus soap get stick to the dust particles and grease and these are removed by action of water.

[#625] The substance which does not expand on going from liquid state to solid state is
Correct Answer

(D) Type metal

Explanation

Solution: Type Metals is the substance which does not expand on going from liquid to solid state. Type metal is nothing but an alloy of lead, tin, and antimony, used for casting type.