Question

the white precipitate form when two colourless solution are added
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Answer 1

Explanation:

(A), a colourless solution, gives white precipitate (B) with NaOH solution but the precipitate dissolves in excess of NaOH forming (C). (C) does not give any precipitate with H

2

S but on boiling with NH

4

Cl, white precipitate (B) appears. (A) also gives yellow precipitate with AgNO

3

. (A), (B) and (C) are as follows:

(A) : AlBr

3

(B) : Al(OH)

3

and (C) : NaAlO

2

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Answer 2

Answer:

), a colourless solution, gives white precipitate (B) with NaOH solution but the precipitate dissolves in excess of NaOH forming (C). (C) does not give any precipitate with H

2

S but on boiling with NH

4

Cl, white precipitate (B) appears. (A) also gives yellow precipitate with AgNO

3

. (A), (B) and (C) are as follows:

(A) : AlBr

3

(B) : Al(OH)

3

and (C) : NaAlO

2

If true enter 1, if false enter 0.

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