निम्नलिखित किस प्रकार की अभिक्रियाएँ हैं ?
(i) शरीर में भोजन का पचना
(ii) Fe + CuSO4 " Cu + FeSO4
(iii) Ca (OH )2 + 2HCl " CaCl2 + 2H2 O
(iv) CuO + H2 " Cu + H2O
Answers
Answered by
0
Answer:
option a is correct
Explanation:
because it has a reaction
Answered by
1
Answer:
(i) decomposition
(ii) displacement reaction
(iii) double displacement reaction
(iv) displacement
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