Chemistry
State which of the following pertain to - chemical changes.
(a) Substance retains its identity.
(b) The change is permanent.
(c) No new substance is formed.
(d) Is easily reversible.
(e) Produces one or more new substances by change in its composition.
(f) The change is temporary.
(g) The composition and properties of the original substance are not altered.
Phy & Chem Changes
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Answer
The following points pertain to chemical changes :
(b) The change is permanent.
(e) Produces one or more new substances by change in its composition.
Rest of the points pertain to physical changes.
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