Copy and complete the following which summarizes the effect of adding a small amount of sodium hydroxide to salt solution followed by an excess of the reagent, and then adding ammonium hydroxide (ammonia solution) in a small amount followed by an excess to another sample of the salt solution.

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Solution

The correct option is A

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Copy and complete the following which summarizes the effect of adding a small amount of sodium hydroxide to salt solution followed by an excess of the reagent, and then adding ammonium hydroxide (ammonia solution) in a small amount followed by an excess to another sample of the salt solution.

Q. State the effect of adding a small amount of a] sodium hydroxide b] ammonium hydroxide followed by an excess in each case to samples of each of the salt solutions:
Sodium nitrate solution and sodium chloride solution.

Q. State the effect of adding a small amount of: (a) sodium hydroxide (b) ammonium hydroxide followed by an excess in each case to samples of each of the salt solutions.
(i) calcium nitrate [small amount .......... in excess ..........].
(ii) zinc nitrate [small amount ........... in excess ............].
(iii) lead nitrate [small amount ........... in excess .........].

Q. Assertion :Ammonium hydroxide solution is added to zinc nitrate solution slowly and then in excess we see white precipitates are soluble Reason: Ammonium hydroxide solution is added to zinc nitrate solution slowly white precipitates of ammonium nitrate is formed and when ammonium hydroxide is added in excess then the white precipitates are soluble in it

Q. State two relevant observations for the reaction : Ammonium hydroxide solution is added to copper (II) nitrate solution in small quantities and then in excess.

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