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प्रश्न
Name a colourless gas which bleaches.
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उत्तर
Sulphur dioxide gas (SO2)
संबंधित प्रश्न
The property by which certain hydrated salts, when left exposed to the atmosphere, lose their water of crystallization and crumble into powder.
What happens when a few drops of water are added to anhydrous copper sulphate? Explain with the help of an equation.
Give one example of a salt which gives an aqueous solution having:
pH less than 7
State one observation for each of the following :
Lead nitric is heated strongly in a test tube.
Give four substances which contain water of crystallization and write their common name.
State what would you observe when :
The salt ferric chloride is exposed to the atmosphere.
The acid reacts with a base to form a neutral product called ______.
Salt which is formed by the partial replacement of hydrogen ions of an acid by a metal is called ______.
What are hygroscopic substances?
Name the salt formed when sulphuric acid is added to sodium hydroxide and write its pH.
