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प्रश्न
Write the chemical formula.
Bleaching powder
उत्तर
CaOCl2
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संबंधित प्रश्न
Give the molecular formula of bleaching powder.
Write the chemical name of bleaching powder and write its properties.
Name the substance obtained by the action of chlorine on solid (dry) slaked lime.
What is "baking powder"? How does it make the cake soft and spongy?
What is the common name of the compound CaOCl2?
What is bleaching powder?
How is bleaching powder prepared? Write 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.
Which of the following is treated with chlorine to obtain bleaching powder?
(a) CaSO4
(b) Ca(OH)2
(c) Mg(OH)2
(d) KOH
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 the chemical and write its uses.
Give a scientific explanation.
Bleaching powder has the odour of chlorine.
Brine is an ____________.
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.
