| (i) It turns methyl orange red. |
| (ii) It turns turmeric paper red. |
| (iii) It reacts with zinc and a gas is evolved. |
| (iv) It reacts with solid sodium carbonate to give brisk effervescence. |
A) (i) and (ii) only
B) (i) and (iii) only
C) (i), (iii) and (iv) only
D) (iii) and (iv) only
Correct Answer: C
Solution :
\[HCl\] is an acid thus, turns methyl orange red. \[HCl\] reacts with zinc and hydrogen gas is evolved. \[Zn+2HCl\to ZnC{{l}_{2}}+{{H}_{2}}\uparrow \] When HCI reacts with sodium carbonate, carbon dioxide gas is evolved with brisk effervescence. \[N{{a}_{2}}C{{O}_{3}}+2HCl\to 2NaCl {{H}_{2}}O+C{{O}_{2}}\uparrow \]
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