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प्रश्न
Which compound of calcium is used for disinfecting drinking water supply?
उत्तर
Bleaching powder or calcium oxychloride (CaOCl2) is used for disinfecting drinking water supply.
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संबंधित प्रश्न
Name one compound of calcium which is used for removing the colour of a coloured cloth.
What is "baking powder"? How does it make the cake soft and spongy?
State two uses each of the following compounds:
Chlorine
What is bleaching powder?
How is bleaching powder prepared? Write chemical equation of the reaction involved in the preparation of bleaching powder.
State two important uses of bleaching powder.
Consider the following substance:
NaCl, Ca(OH)2, NaHCO3, NH3, Na2CO3, H2O, Cl2, CO2, CaSO4.2H2O, 2CaSO4.H2O, CaOCl2
Which two substance combine to form bleaching powder?
When chlorine and sodium hydroxide being produced during the electrolysis of brine are allowed to mix, a new chemical is formed. Name the chemical and write its uses.
CaOCl2 will liberate Cl2 gas in the presence of
(i) CO2
(ii) HCl
(iii) CO
(iv) NO
Assertion (A): Reaction of Quicklime with water is an exothermic reaction.
Reason (R): Quicklime reacts vigorously with water releasing a large amount of heat.
