8. A, B and C are the components of air. Gases
A and B dissolve in water while gas C does
not dissolve in water. Gas A dissolved in water
is used by aquatic animals in photosynthesis
and gas B is used by aquatic animals for
respiration. Gas C is the major component of
air. Identify the gases A, B and C.
9. Monika has three solids A, B and C and two
liquids X and Y .Solid A floats on liquid X
but sinks in liquid Y. Solid B sinks in both
the liquids. Solid C sinks in both the liquids.
Which of the solids out of A, B and Chas
the minimum density and which solid has
maximum density. Explain.
10. Why does ice float on water?
Answers
Answered by
1
Answer:
because the intermolecular spaces are large as compared to other solids
Answered by
1
Answer:
8. nitrogen. 9. B have maximum density. c have minimum density
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