Question

Certain chemical properties of a substance are given below.
0 It turns methyl orange red.
(i) 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.
Which of the above properties are shown by dilute HCI?
(i) and (ii) only
() and (iii) only
(). (iii) and (iv) only
(iii) and (iv) only

Answer 1

Answer:

(1) The golden-yellow paper turns a deep red

(3)Hydrogen gas gets evolved when HCl acid is added to zinc metal.

(4)When dilute HCl, which is an acid, added to sodium carbonate, a strong base, the neutralization reaction occurs by the formation of NaCl and the evolution of carbon dioxide gas by brisk effervescence

Explanation:

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