ASSERTION: Colour of copper sulphate does not change when an iron nail is kept in it. REASON: Iron is more reactive than copper and it displaces it.
Question
(a) Both A and R are true and R is the
correct explanation of A.
(b) Both A and R are true but R is not the
correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.
(e) Both A and R are false
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Class 10 science
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2021-12-06T14:01:42+00:00
2021-12-06T14:01:42+00:00 1 Answer
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Answer ( 1 )
Answer. (D) Assertion is incorrect. Iron is
more reactive displaces Cu and forms
FeSO₄ which changes the colour