Ammonium chloride can be separated from its mixture with common salt by
Distillation
Evaporation
Decantation
Sublimation
Correct answer is D
No explanation has been provided for this answer.
The principle of column chromatography is based on th ability of the constituents to
React with the solvent in the column
React with each other in the solvent in the column
Dissolve in each other in the column
Move at different speeds in the column
Correct answer is D
No explanation has been provided for this answer.
Hydroxybenzene
Hexanedioic acid
Benzene -1,-4-dicarboxylic acid
Ethane-1,2-diol
Correct answer is B
No explanation has been provided for this answer.
Concentrated tetraoxosulphate (VI) acid
Anhydrous calcium chloride
Calcium oxide
Sodium hydroxide
Correct answer is A
No explanation has been provided for this answer.
The enzyme used in the hydrolysis of starch to dextrin and maltose is
Zymase
Sucrase
Amylase
Lactase
Correct answer is C
No explanation has been provided for this answer.