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प्रश्न
Name the substance obtained by the action of chlorine on solid (dry) slaked lime.
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उत्तर
Bleaching powder, or calcium oxychloride (CaOCl2), is obtained by the action of chlorine on solid (dry) slaked lime.
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संबंधित प्रश्न
Give the molecular formula of bleaching powder.
Write the chemical name of bleaching powder and write its properties.
Which compound of calcium is used for disinfecting drinking water supply?
Name one compound of calcium which is used for removing the colour of a coloured cloth.
State two uses of the following compound:
Chlorine
What is the common name of the compound CaOCl2?
What is bleaching powder?
State two important uses of bleaching powder.
Consider the following substances:
NaCl, Ca(OH)2, NaHCO3, NH3, Na2CO3, H2O, Cl2, CO2, CaSO4.2H2O, 2CaSO4.H2O, CaOCl2
- Which two substances combine to form bleaching powder?
- Which four substances are utilised in the production of washing soda?
- Which compound represents plaster of Paris?
- Which compound is a part of baking powder?
- Which compound is used as an antacid?
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.
Give a scientific explanation.
Bleaching powder has the odour of chlorine.
Write the chemical formula.
Bleaching powder
Brine is an ____________.
CaOCl2 will liberate Cl2 gas in the presence of
(i) CO2
(ii) HCl
(iii) CO
(iv) NO
The reaction between MnO2 with HCl is depicted in the following diagram. It was observed that gas with bleaching abilities was released.
The chemical reaction between MnO2 and HCl is an example of:
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.
