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प्रश्न
State the inference drawn from the following observation :
On carrying out the flame test with a salt P a brick red flame was obtained. What is the cation in P?
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उत्तर
The cation P is Ca2+.
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संबंधित प्रश्न
Name a chloride which is insoluble in cold water but dissolves in hot water.
Name two sulphates which are insoluble.
Name a mixed salt.
Write the reactions of SO2 and oxides of nitrogen which leads to acid rain formation.
Give the name and formula of the acid salt which gives sodium ions and sulphate ions in solution.
From the formulae listed below, choose one in each case corresponding to the salt having the given description :
AgCI, CuCO3, CuSO4.5H2O, KNO3, NaCI, NaHSO4, Pb(NO3), ZnCO3, ZnSO4.7H2O
(a) An acid salt
(b) An insoluble chloride
(c) On treating with concentrated sulphuric acid, this salt changes from blue to white.
(d) On heating this salt changes from green to black.
(e) This salt gives nitrogen dioxide on heating
What are double salts? Give an example?
Why is toothpaste basic?
State the terms/process for the following:
A type of salt formed by partial replacement of hydroxyl radicals with an acid radical.
Give a suitable word or phrase for:
A salt formed by incomplete neutralisation of an acid by a base.
