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प्रश्न
Name two sulphates which are insoluble.
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उत्तर
Barium sulphate (BaSO4) and lead sulphate (PbSO4)
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संबंधित प्रश्न
The salt solution which does not react with ammonium hydroxide is :
Name a chloride which is insoluble.
Name a mixed salt.
Why common salt gets wet during rainy season?
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
Select the correct answer from the choices a,b,c and d which are given.Write only the letter corresponding to the correct answer.
An example of a complex salt is
Ca(H2PO4)2 is an example of a compound called _______ .
State the terms/process for the following:
A type of salt formed by partial replacement of hydroxyl radicals with an acid radical.
From the formula listed below, choose one, in the following case, corresponding to the salt having the given description:
AgCl, CuCO3, CuSO4.5H2O, KNO3, NaCl, NaHSO4, Pb(NO3)2, ZnCO3, ZnSO4.7H2O.
On treating with concentrated sulphuric acid, this salt changes from blue to white.
Match the following in column A with the correct answer from the choices given in column B:
| Column A | Column B |
| 1. Ammonium hydroxide solution | (i) Contains only ions |
| 2. Dilute hydrochloric acid | (ii) Contains only molecules |
| 3. Carbon tetrachloride | (iii) Contains ions and molecules |
