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प्रश्न
Name : A yellow monoxide that dissolves in hot and concentrated caustic alkali.
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उत्तर
A yellow monoxide that dissolves in hot and concentrated caustic alkali : PbO
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संबंधित प्रश्न
State one relevant observation for the following.
Lead nitrate solution is treated with sodium hydroxide solution drop wise till it is in excess.
Give a chemical test to distinguish between the given pair of chemicals:
Lead nitrate solution and zinc nitrate solution.
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: Two coloured ions
Fill in the blank.
The hydroxide which is soluble in excess of NaOH is _________ [Zn(OH)2 / Fe(OH)3 / Fe(OH)2].
Fill in the blank.
The substance/s which react with hot conc. NaOH solution and undergoes a neutralization reaction ______ [Al2O3 / Al / Al(OH)3]
Write the equation for the following reaction :
Zinc oxide is treated with sodium hydroxide solution.
Write balanced equations for a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.
Write balanced equations for a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.
