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प्रश्न
An aqueous solution of a salt turns blue litmus to red. The salt could be the one obtained by the reaction of ______.
विकल्प
HNO3 and NaOH
H2SO4 and KOH
CH3COOH and NaOH
HCl and NH4OH
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उत्तर
An aqueous solution of a salt turns blue litmus to red. The salt could be the one obtained by the reaction of HCl and NH4OH.
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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
State whether the following statement is true or false:
Copper sulphate crystals are always wet due to the presence of water of crystallisation in them.
Give any two uses of common salt (sodium chloride).
Why is the electrolysis of a concentrated solution of sodium chloride known as chlor-alkali process?
What is a salt?
What is meant by ‘a family of salts’? Explain with examples.
Write the names, formulae and colours of any two hydrated salts.
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
Fill in the blank
___________ is the phenomenon by which hydrated salts on exposure to dry air, lose their water of crystallization and crumble to powder.
Outline the steps required to convert hydrogen chloride to anhydrous iron (III) chloride. Write the equations for the reactions.
