1.

Whichamongthe followingchemical reactionis anexampleof combinationreaction ? (i)H_(2(g))+Cl_(2(g)) to2HCl_((g)) (ii)NaOH_((aq))+HCl_((aq))+H_(2)O_((l)) (iii )2Mg_((s)) +O_(2(g))to 2MgO_((s)) (Iv ) Zn_((s))+2HCl_((aq)) toZnCl_(2) +H_(2(g))

Answer»

Only(i)
Both(i) and (II)
Only (III)
Both (i) and (ii)

ANSWER :A


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