Advertisements
Advertisements
प्रश्न
Name the raw material used for the production of caustic soda.
उत्तर
Common salt (or sodium chloride) is the raw material for making caustic soda. The chemical formula of sodium chloride is NaCl.
APPEARS IN
संबंधित प्रश्न
Give any two uses of common salt (sodium chloride).
Name the salt which is used as preservative in pickles, and in curing meat and fish.
Fill in the following blank:
Common salt is obtained from sea-water by the process of.............
Fill in the following blank:
Rock salt is mined just like ......................
Explain why chlorine is used for sterilising drinking water supply.
P and Q are aqueous solutions of sodium chloride and sodium hydroxide, respectively. Which of these will turn:
red litmus blue?
State what would you observe when :
Washing soda crystals are exposed to the atmosphere.
Distinguish by a chemical test, Sodium carbonate and sodium sulphite.
Salt which is formed by the partial replacement of hydrogen ions of an acid by a metal is called ______.
What are hygroscopic substances?
