Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Chemical Reaction
Which of the following is an example for diffusion of a solid into liquid ?
1
Ink into water
2
Copper sulphate into water
3
Oxygen in water
4
More than one of the above
5
None of the above