3.
Which of the following is an opaque material?
a piece of wood
a plane, thin sheet of glass
pure air
water in a clear glass container
4.
In which of the following cases would diffusion be the fastest?
gas in another gas.
liquid in another liquid.
a solid in a liquid.
a gas in a liquid .
5.
Which of the following is insoluble in water?
mustard oil
sugar
carbon dioxide
common salt
Answers
Answered by
0
Explanation:
3. a piece of wood
4. gas in another gas
5. mustard oil
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Answered by
0
Answer:
3.a plane thin sheet of glass pure air water in a clear glass container
4.a gas in a liquid
5.musterd oil
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