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प्रश्न
State two important uses of bleaching powder.
Mention important uses of bleaching powder.
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उत्तर
- Bleaching powder is used in making chloroform (CHCl3).
- It is used as an oxidising agent in many chemical industries.
- Bleaching powder is used for bleaching cotton, linen, wood pulp, etc., and as a disinfectant.
- It is also used for the sterilisation of water.
Notes
Students should refer to the answer according to their questions.
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संबंधित प्रश्न
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?
How is bleaching powder prepared? Write a chemical equation of the reaction involved in the preparation of bleaching powder.
Which of the following is treated with chlorine to obtain 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.
Write the chemical formula.
Bleaching powder
Brine is an ____________.
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.
