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प्रश्न
State what would you observe when :
The salt ferric chloride is exposed to the atmosphere.
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उत्तर
It absorbs moisture from the atmosphere and becomes moist and ultimately dissolves in the absorbed water, forming a saturated solution.
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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
From the list of the following salts choose the salt that most appropriately fits the
description is given in the following:
[AgCl, MgCl2, NaHSO4, PbCO3, ZnCO3, KNO3, Ca(NO3)2]
On heating this salt, a brown colored gas is evolved.
Write a balanced equation for the preparation of the following salts:
Zinc carbonate from Zinc sulphate
What happens when a few drops of water are added to anhydrous copper sulphate? Explain with the help of an equation.
Why is the electrolysis of a concentrated solution of sodium chloride known as chlor-alkali process?
Give one example of a salt which gives an aqueous solution having:
pH less than 7
What is a ‘salt’?
The pH values of three solutions A, B and C are given in the table. Answer the folloiwng questions:
| Solution | pH value |
| A | 12 |
| B | 2 |
| C | 7 |
Which solution will have no effect on litmus solution?
Define the following term:
Hygroscopy
Taking sodium carbonate as an example, give the meaning of the following terms:
Water of crystallization
