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प्रश्न
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.
उत्तर
On heating this salt, a brown-colored gas is evolved = Ca(NO3)2
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संबंधित प्रश्न
Write the chemical name and formula of common salt.
How is common salt obtained from sea-water?
A salt whose aqueous solution will have a pH of more than 7 will be:
(a) K2CO3
(b) K2SO4
(c) NaCl
(d) NH4Cl
P and Q are aqueous solutions of sodium chloride and sodium hydroxide, respectively. Which of these will turn:
(a) blue litmus red?
How many molecules of water of crystallisation (per formula unit) are present in:
copper sulphate crystals?
Name a salts whose solubility increases with temperature.
name two salts which are neutral, when dissolved in water.
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 : Water of crystallization
How is normal salt obtained? Give a suitable reaction.
