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प्रश्न
Name two colourless metal ions.
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उत्तर १
Na+, Ca2+
उत्तर २
Potassium ion (K+), Sodium ion (Na+)
संबंधित प्रश्न
Give a chemical test to distinguish between the given pairs of chemicals:
Lead nitrate solution and Zinc nitrate solution
Name a strong alkali.
Name the metal hydroxides which are:
Sparingly soluble
In caustic soda solution
What do you understand by amphoteric oxide? Give the balanced equations for the reaction with three different amphoteric oxides with a caustic alkali. Write your observation if any.
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]
Fill in the blank.
To distinguish soluble salts of zinc and lead ______ [NaOH / NH4OH]can be used.
One chemical test that would enable you to distinguish between the following pair of chemicals. Describe what happens with each chemical or state 'no visible reaction'.
Calcium nitrate solution and zinc nitrate solution.
Why the alkali is added drop by drop to the salt solution?
Write balanced equations for a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.
