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प्रश्न
Name the metal hydroxides which are soluble in caustic soda solution.
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उत्तर
Zn(OH)2, Pb(OH)2
संबंधित प्रश्न
State one relevant observation for the following.
Lead nitrate solution is treated with sodium hydroxide solution dropwise till it is excess.
A compound X (having the vinegar-like smell) when treated with ethanol in the presence of the acid Z, gives a compound Y which has a fruity smell.
The reaction is:
1) Identify Y and Z.
2) Write the structural formula of X.
3) Name the above reaction.
Name
a metallic hydroxide soluble in excess of NH4OH.
Name two coloured metal ions.
What do you observe when caustic soda solution is added to the following solution: first a little and then in excess : Pb(NO3)2
What do you observe when caustic soda solution is added to the following solution: first a little and then in excess : CuSO4
Name the chloride of a metal which is soluble in excess of ammonium hydroxide.
Name : A yellow monoxide that dissolves in hot and concentrated caustic alkali.
Choose the correct answer from the options given below :
Metal + alkali → salt + _________
Why the alkali is added drop by drop to the salt solution?
