Which of the following is not a combination reaction -
a) 2KNO3(s)→→ 2KNO₂ + O₂
c) 2CuO(s)→ 2Cu(s) + O₂
b) MgO(s) + C (s) → CO(g) + Mg(s)
d) all of the above
Answers
Answered by
0
Explanation:
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Answered by
1
Answer:
(ii) and(iii)
Explanation:
magnesium oxide (MgO) and water combines to form magnesium hydroxide (Mg(OH)
2
).
Option (iii) is again a combination reaction as aluminium (Al) combines with oxygen (O
2
) to form aluminium oxide (Al
2
O
3
).
Option (iv) is a displacement reaction.
The correct answer is option D.
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