Question

In certain investigatory project 150 ml of water is taken in each of four beakers A B, C and D. Beaker A
and B are maintained at temperature 25° C while C and D are maintained at temperature 65° C. Four
crystals of copper sulphate of approximately same mass are taken and two of them are ground into
powdered form. Now crystals are added in A and C while powdered form of the salt are added in a beaker
B and D respectively.
Q1 in which beaker the intermixing will be quickest?
a) C
b)D
c)A
d) B

Q2 Rate of intermixing will be:
a) Same in A and C
b) Same in A and B
c) Quicker in B than in A
d) slower in C as compared to that in A
Q3 Colour of solution after intermixing is called
a) Greenish
b) bluish
c) pinkish
d) violet
Q4 Phenomenon responsible for intermixing is called
a) Diffusion of solid into liquid
b) Diffusion of liquid into solid
c)Osmosis
d) Sedimentation

Answer 1

Answer:

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