Question

(B) studying the properties of acides and bases ( HCl and NaOH ) on the bases of their reaction with (a) litmus solution ( blue/red) (b) zinc metal (c) solid sodium carbonate with digarms​

Answer 1

Answer:

In the litmus test experiment the blue litmus solution turns to red when hydrochloric is added. Therefore acids such as HCl show acidic character. Hydrochloric acid reacts with active metals such as zinc to form zinc chloride and liberate hydrogen gas. HCl reacts with sodium carbonate to liberate carbon dioxide gas.

Explanation:

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Answer 2

Answer : A

Explanation:a HCL will blue limits red NaOH will turn red limits blue Zink metal on reacting with HCL will give Zncl2 will liberition of H2 gas Zn on reacting with NaOH with give Na2ZnO2 and H2O,.

NaOH+Na2CO3 ---> NO REACTION