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प्रश्न
Name a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.
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उत्तर १
Aluminium
उत्तर २
Zinc (Zn)
संबंधित प्रश्न
Choose the most appropriate answer from the following list of oxides which fit the description.
[SO2, SiO2, Al2O3, MgO, CO, Na2O]
A basic oxide.
Give a chemical test to distinguish between the given pairs of chemicals:
Lead nitrate solution and Zinc nitrate solution
Name a strong alkali.
Name two colourless metal ions.
What do you observe when caustic soda solution is added to the following solution: first a little and then in excess : ZnSO4
What do you observe when caustic soda solution is added to the following solution: first a little and then in excess : Pb(NO3)2
Name: A metallic oxide soluble in excess of caustic soda solution.
Name: Two coloured ions
What do you see when sodium hydroxide solution is added to zinc sulphate solution, till it is in excess?
Why the alkali is added drop by drop to the salt solution?
