Why the Alkali is Added Drop by Drop to the Salt Solution? - Chemistry

Why the alkali is added drop by drop to the salt solution?

One Line Answer

If an alkali is added too quickly, then it is easy to miss a precipitate which redissolves in excess alkali.

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Action of Alkalis on Certain Metals

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Chapter 4: Analytical Chemistry: Uses of Ammonium Hydroxide and Sodium Hydroxide - Intext Questions [Page 66]

Chapter 4 Analytical Chemistry: Uses of Ammonium Hydroxide and Sodium Hydroxide
Intext Questions | Q 7. | Page 66

Give a chemical test to distinguish between the given pairs of chemicals:

Lead nitrate solution and Zinc nitrate solution

What do you observe when freshly precipitated aluminium hydroxide reacts with caustic soda solution? Give balanced equation.

Name the metal hydroxides which are:

Sparingly soluble

In caustic soda solution

What do you observe when caustic soda solution is added to the following solution: first a little and then in excess : CuSO₄

Name: A metallic oxide soluble in excess of caustic soda solution.

Name: A strong alkali

Name: Two coloured ions

Fill in the blank.
The substance/s which react with hot conc. NaOH solution and undergoes a neutralization reaction ______ [Al₂O₃ / Al / Al(OH)₃]

What do you see when sodium hydroxide solution is added to zinc sulphate solution, till it is in excess?

Write balanced equation for a metal that evolves a gas which burns with a pop sound when boiled with alkali solution.