sodium nitrate Is added to water and stirred . A salt solution is obtained which on boiling leaves a solid residue is this is a physical change or chemical change
also name the solid residue
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Answer:
chemical change
Explanation:
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Answer:
(a) Physical Change
(b) The white residue left behind is potassium chloride.
(c) This change is reversible.
(d) No, the composition and properties of the original substance are not altered.
(e) If we take Calcium carbonate and not KCl, this experiment will not be possible as CaCO_3 is insoluble in water and no new substance with new properties is produced.
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