Question

Write four conclusions of the reactions of dil. Hcl with i) Litmus solution(blue and red) ii)Zinc metal iii)Solid Na2CO3

Answer 1

1. Litmus - Blue litmus change in red. No change in the red litmus( HCl is acidic character)
2. Zn metal - with reaction ZN + dil. HCl = hydrogen bubbles are formed( pop sound )
3. Solid Na2CO3 - a colourless and odourless obtained ( CO2 obtained)the evolved gas turns lime water milky

Answer 2

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