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प्रश्न
How is bleaching powder prepared? Write a chemical equation of the reaction involved in the preparation of bleaching powder.
Write the preparation of the following compound with a balanced chemical equation:
Bleaching powder
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उत्तर
Bleaching powder is produced by the action of chlorine on dry slaked lime [Ca(OH)2].
\[\ce{\underset{(Slaked lime)}{\underset{Calcium hydroxide}{Ca(OH)2}} + \underset{Chlorine}{Cl2} -> \underset{(Bleaching powder)}{\underset{calcium oxychloride}{CaOCl2}} + \underset{Water}{H2O}}\]
संबंधित प्रश्न
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.
Name the substance obtained by the action of chlorine on solid (dry) slaked lime.
Which is the real bleaching agent present in bleaching powder?
What is “baking powder”?
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.
When chlorine and sodium hydroxide being produced during the electrolysis of brine are allowed to mix, a new chemical is formed. Name this chemical and write its uses.
Give a scientific explanation.
Bleaching powder has the odour of chlorine.
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:
