Question : Name the gas used in preparation of bleaching powder
Option 1: oxygen
Option 2: hydrogen
Option 3: nirtogen
Option 4: chlorine
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Correct Answer: chlorine
Solution : The correct option is chlorine.
Chlorine gas (Cl2) is utilised in the production of bleaching powder. The active component of bleaching powder is calcium hypochlorite, which is produced by bubbling chlorine gas through a slaked lime (calcium hydroxide) solution. Ca(OH)2 + Cl2 → Ca(ClO)2 + H2O Here, calcium hydroxide (Ca(OH)2) reacts with chlorine gas (Cl2) to produce calcium hypochlorite (Ca(ClO)2) and water (H2O).
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Question : ______ gas is used for the manufacturing of bleaching powder.
Option 1: Nitrogen
Option 2: Sulphur
Option 3: Oxygen
Option 4: Chlorine
Question : What is the common name of Caocl2?
Option 1: Baking powder
Option 2: Baking soda
Option 3: Bleaching powder
Option 4: Washin soda
Question : Which of the following is an inert gas?
Option 1: Hydrogen
Option 2: Nitrogen
Option 4: Argon
Question : Most commonly used bleaching agent is
Option 1: Sodium chloride
Option 2: Alcohol
Option 3: Carbon dioxide
Question : In an acid-base reaction, which product is produced along with salt?
Option 1: Hydrogen gas
Option 2: Oxygen gas
Option 4: Water
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