The colour of litmus in an alkaline medium is
Red
Yellow
Pink
Blue
Correct answer is D
No explanation has been provided for this answer.
6.2
6.8
7.1
6.9
Correct answer is D
(\(\frac{90}{100}\) x 7) + (\(\frac{10}{100}\) x 6)
= 6.3 + 0.6 = 6.9
The industrial preparation of hydrogen gas from water gas is referred to as
Bosch process
Contact process
Haber process
Bayer Process
Correct answer is A
No explanation has been provided for this answer.
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.