The solubilites of different solutes in a given solvent can be compared by
plotting their solubility curves on separete axes
plotting their solubility curves on the same axes
plotting some of the solubility curves on the x-axis and others on the y-axis
plotting their solubility curves on the x-axis only
Correct answer is B
No explanation has been provided for this answer.
Chlorination of water for town supply is carried out to
make the water colourless
remove germs from the water
make the water tastedful
remove odour from the water
Correct answer is B
No explanation has been provided for this answer.
The chemicals used to soften hard water involves the addition of
insoluble sodium compounds which from soluble solutions of calcium and magesium
solube soudium compounds which from soluble solutions of calcium and magnesium ions
solube sodium compounds which from insoluble precipitates of calcium and magnesium ions
insoluble precipitates of calcium and magnesium ions
Correct answer is C
No explanation has been provided for this answer.
I and ll only
ll and lll only
l and lll only
l,lll and lll
Correct answer is D
No explanation has been provided for this answer.
Which of the following is used to study the arrangement of particles in crystal lattices?
Alpha-particles
Beta-particles
Gamma-rays
X-rays
Correct answer is D
No explanation has been provided for this answer.