Question

What do you see when:

i. Sodium hydroxide solution is added to zinc sulphate solution till it is in excess.

ii. Chlorine water is exposed to sunlight.

iii. Ammonia gas is bubbled through red litmus solution.

iv. Barium chloride solution is added to dilute sulphuric acid.



Unnecessary answers are going to be reported . So don't answer if u don't know .
Question is only for 2 persons and they know it better (CR) .

Answer 1

Answer:

(i) 2NaOH + ZnSO4 -------> Na2SO4 + Zn(OH)2

(ii)When chlorine water is exposed to sunlight, it losses its yellow colour. It forms odourless gas called Oxygen.

(iii)The solution usually turns blue because NH3 gas is basic. It dissolves into aqueous solution and forms the NH4+ ion.

(iv) H2SO4 + BaCl2 -------> BaSO4 + 2HCl

Answer 2

[ex]\huge\underline\mathfrak\red{Answer-}[/tex]

1. NaOH + ZnSO4 ⇒ Na2SO4 + ZnOH
2. When chlorine water is exposed to diffused sunlight, it evolves a colorless and odorless gas that is oxygen.
3. Ammonia forms ammonium hydroxide and turns red litmus blue as it is alkaline in nature.
4. When dilute sulfuric acid is added to barium chloride solution, barium sulfate is formed as a precipitate and hydrogen chloride is formed in aqueous solution.

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