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प्रश्न
What is a ‘salt’?
Answer the following question related to salts and their preparations:
What is a 'salt'?
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उत्तर
Salt is a compound formed by the partial or total replacement of the ionizable hydrogen atoms of an acid by a metallic ion or an ammonium ion.
संबंधित प्रश्न
Identify the substance underlined, in the following case
A solid formed by reaction of two gases, one of which is acidic and the other basic in nature
Rock salt is mined just like ______.
Complete and balance the following chemical equation:
\[\ce{NaCl + NH3 + H2O + CO2 ->}\]
What happens when a few drops of water are added to anhydrous copper sulphate? Explain with the help of an equation.
The number of molecules of water of crystallisation present in washing soda crystals is ______.
The aqueous solution of one of the following salts will turn phenolphthalein indicator pink. This salt is:
When the concentrated aqueous solution of substance X is electrolysed, then NaOH, Cl2 and H2 are produced. Name the substance X. What is the special name of this process?
Hard water required for an experiment is not available in a school laboratory. However, following salts are available in the laboratory. Select the salts which may be dissolved in water to make it hard for the experiment.
|
(1) |
Calcium Sulphate |
(2) |
Sodium Sulphate |
|
(3) |
Calcium Chloride |
(4) |
Potassium Sulphate |
|
(5) |
Sodium Hydrogen Carbonate |
(6) |
Magnesium Chloride |
(A) 1, 2 and 4
(B) 1, 3 and 6
(C) 3, 5 and 6
(D) 2, 4 and 5
Taking sodium carbonate as an example, give the meaning of the following terms:
Water of crystallization
Outline the steps required to convert hydrogen chloride to anhydrous iron (III) chloride. Write the equations for the reactions.
