Question

A student performed an experiment using zinc granules and sodium carbonate with sodium hydroxide
and hydrochloric acid under different conditions as shown here.
I
II
III
IV
Dilute HCI
Dilute HCI
NaOH
NAOH
Zinc
Zinc
Sodium carbonate
Sodium
carbonate
gas is evolved in which set up and why?
-lain​

Answer 1

Answer:

Oxygen uptake is a strong reducing agent of the

Answer 2

Answer:

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