Advertisements
Advertisements
प्रश्न
State two important uses of bleaching powder.
उत्तर
Uses:
i. Bleaching powder is used in making chloroform (CHCl3).
ii. It is used as an oxidising agent in many chemical industries.
APPEARS IN
संबंधित प्रश्न
Give the molecular formula of bleaching powder.
Name one compound of calcium which is used for removing the colour of a coloured cloth.
Name the substance obtained by the action of chlorine on solid (dry) slaked lime.
Which is the real bleaching agent present in bleaching powder?
State two uses each of the following compounds:
Chlorine
What is the common name of the compound CaOCl2?
A white powdery substance having strong smell of chlorine is used for disinfecting drinking water supply at waterworks. Identify the substance. Give its chemical name and write the chemical reaction for its preparation.
CaOCl2 will liberate Cl2 gas in the presence of
(i) CO2
(ii) HCl
(iii) CO
(iv) NO
Chlorine gas reacts with ____________ to form bleaching powder.
Assertion (A): Reaction of Quicklime with water is an exothermic reaction.
Reason (R): Quicklime reacts vigorously with water releasing a large amount of heat.
