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प्रश्न
State one observation for each of the following :
Lead nitric is heated strongly in a test tube.
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उत्तर
Cracking noise is observed.
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संबंधित 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 gives a yellow residue when hot and white when cold
What happens when copper sulphate crystals are heated strongly? Explain with the help of an equation.
Name three products of the chlor-alkali process. State two uses of each of these products.
How many molecules of water of crystallisation (per formula unit) are present in:
copper sulphate crystals?
State what would you observe when :
Washing soda crystals are exposed to the atmosphere.
Name two carbonates which do not produce carbon dioxide on heating.
Identify the following substance:
Gas C has an offensive smell like rotten eggs.
Many salts absorb water from the atmosphere. This property is called:
An aqueous solution of a salt turns blue litmus to red. The salt could be the one obtained by the reaction of ______.
You are provided with the list of chemicals mentioned below in the box:
| Sodium hydroxide solution, copper carbonate, zinc, hydrochloric acid, copper, dilute sulphuric acid, chlorine, iron |
Using suitable chemicals from the list given, write a balanced chemical equation for the preparation of the salt mentioned below:
Ferric chloride
