Q.Which of the following equations proves the law of conservation of mass?
a. H2 + O2 → HO
b. Zn + 2 HCl → ZnCl2 + H2
c. Mg + O2 + Mgo
d. C + 0,20
cic not correct?
Answers
Answered by
2
Answer:
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Explanation:
Correct option is
D
(ii) and (iii)
Option (i) is a decomposition reaction.
Option (ii) is a combination reaction as 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.✅
Answered by
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Explanation:
my I.D ghostoperators31
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