Which of the following is true for a chemical change?
(I) New substance is formed.
(II) The change is reversible
(III) The change is permanent

Only (I) and (II)

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(I), (II) and (III)

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Only (I)

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Only (I) and (III)

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Solution

The correct option is D Only (I) and (III)
A chemical change occurs with the change in composition. It cannot be reversed and is permanent in nature.

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Similar questions

Q. Which of the following is true for physical change?

(i) No new substance is formed.
(ii) The change is reversible
(iii) The change is temporary

In a physical change, which of the following takes place?
(i) No new substance is formed.
(ii) The change is reversible
(iii) The change is temporary

In a physical change, which of the following takes place?
(i) No new substance is formed.
(ii) The change is permanent.
(iii) The change is temporary.
(iv) Change in size, shape or appearance.

Q. Sate which of the following pertains 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 substance in its composition.
f] The change is temporary
g] The composition and properties of the original substance are not altered.

Q. State whether true or false :
A chemical change refers to a change which is permanent in nature and results into the formation of new substance which is different from the original substance.

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Which of the following is true for a chemical change? (I) New substance is formed. (II) The change is reversible (III) The change is permanent

The correct option is D Only (I) and (III)A chemical change occurs with the change in composition. It cannot be reversed and is permanent in nature.

Which of the following is true for a chemical change?
(I) New substance is formed.
(II) The change is reversible
(III) The change is permanent

The correct option is D Only (I) and (III)
A chemical change occurs with the change in composition. It cannot be reversed and is permanent in nature.