Question

name a solution react with crushed egg shell to give a gas that turns lime water milky also write the name of the gas evolved a. what is acid rain? how does it affect our aquatic life. what happens during a bee sting what is it remedy?. c. two solution x and y are tested with universal indicator solution extern Orange where solution y turns red which of the solution is a stronger acid?​

Answer 1

Explanation:

The egg-shells are made up of calcium carbonate. When it reacts with HCl it liberates CO2 gas which turns lime water milky.

CaCO 3+2HCl→CaCl 2 +H2O+CO2

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Answer 2

1. diluted HCl, CO2
2. rain which has the pH value less than 5.6 is called as acid rain. it lowers the pH of the river water. Hence survival of aquatic life becomes difficult.
3. y is stronger acid.

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