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प्रश्न
Give a chemical test to distinguish between the given pair of chemicals:
Lead nitrate solution and zinc nitrate solution.
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उत्तर
When NaOH is added to each of the compounds, lead nitrate forms a chalky white precipitate of lead hydroxide [Pb(OH)2], whereas a gelatinous white precipitate of zinc hydroxide [Zn(OH)2] is formed in the case of zinc nitrate.
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संबंधित प्रश्न
When a metallic oxide is dissolved in water, the solution formed has a high concentration of ____________ ions (H+, h3O+, OH-)
State one relevant observation for the following.
Lead nitrate solution is treated with sodium hydroxide solution drop wise till it is in excess.
Name a strong alkali.
What is the reaction of freshly precipitated aluminium hydroxide with caustic soda solution? Give equation.
Give two examples of amphoteric hydroxides.
Name: Two bases which are not alkalis but dissolve in strong alkalis.
Name a coloured metallic oxide which dissolves in alkalis to yield colourless solutions.
Fill in the blank.
The substance/s which react with hot conc. NaOH solution and undergoes a neutralization reaction ______ [Al2O3 / Al / Al(OH)3]
Fill in the blank.
To distinguish soluble salts of zinc and lead ______ [NaOH / NH4OH]can be used.
Write balanced equations for a Metal that Evolves a Gas Which Burns with a Pop Sound When Boiled with Alkali Solutions.
