Advertisements
Advertisements
प्रश्न
Name the raw material used for the production of caustic soda.
Advertisements
उत्तर
Sodium chloride (NaCl)
APPEARS IN
संबंधित प्रश्न
Give one word or a phrase:
The property by which certain hydrated salts, when left exposed to atmosphere, lose their water of crystallization and crumble into powder.
Write a balanced equation for the preparation of the following salts:
Copper sulphate from copper carbonate.
Name the major salt present in sea-water.
Name three chemicals made from common salt (or sodium chloride).
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?
Write the names, formulae and colours of any two hydrated salts.
The number of molecules of water of crystallisation present in washing soda crystals is ______.
Give one example of a salt which gives an aqueous solution having:
pH more than 7
Write the name and formula of one salt which contains:
Two molecules of water of crystallisation.
name two salts which are basic.
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 liberate CO2 when reacted with sodium carbonate?
Define the following term:
Efflorescence
State what would you observe when :
The salt ferric chloride is exposed to the atmosphere.
Name gases which has a sour taste.
Copy and complete the following table which refers to the action of heat on some carbonates:
| Carbonate | Colour of residue on cooling |
| Zinc Carbonate | |
| Lead carbonate | |
| Copper carbonate |
Salt is ______ in nature.
