Question

Q3.(i)When Zinc metal is treated with dil.HCl ,a gas is evolved. Name this gas.

(ii)What colour change is observed when red litmus solution is added to test tube containing dil.NaOH​

Answer 1

Answer:

1- Hydrogen gas

2- blue

hope it will help you

Answer 2

Answer:

1. hydrogen gas [H2] will evolved.

2. red litmus paper will turn into blue colour.

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