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प्रश्न
Which compound of calcium is used for disinfecting drinking water supply?
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उत्तर
Bleaching powder, or calcium oxychloride (CaOCl2), is used to disinfect the drinking water supply.
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संबंधित प्रश्न
Give the molecular formula of bleaching powder.
What is the common name of the compound CaOCl2?
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.
What is “baking powder”?
State two uses of the following compound:
Chlorine
What is the common name of the compound CaOCl2?
How is bleaching powder prepared? Write a chemical equation of the reaction involved in the preparation of bleaching powder.
What happens when bleaching powder reacts with dilute sulphuric acid? Give equation of the reaction involved.
State two important uses of bleaching powder.
Which of the following is treated with chlorine to obtain bleaching powder?
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.
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.
