Question

18) Which of the following are combination reactione!
(i) 2KC102 >2KCI + 302
(ii) M50-H:0 → MS(OH):
(iii) 441 + 30: → Al: O.
(iv) Zo + FeSo. → ZLSO: - Fe
(a) () and (iii) (b) (iil) and (iv)
(c) (ii) and (iv) (d) (ii) and (iii)
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Answer 1

Option (ii) is a combination reaction as magnesium oxide (MgO) and water combine to form magnesium hydroxide (Mg(OH)2). Option (iii) is again a combination reaction as aluminium (Al) combines with oxygen (O2) to form aluminium oxide (Al2O3).

Answer 2

Answer:

eska answer hoga B right