The question asks about the common application of bleaching powder.
Bleaching Powder Uses
Bleaching powder, chemically known as calcium hypochlorite ($Ca(OCl)_2$), has strong oxidizing and disinfecting properties. Let's analyze the options:
- As a sweetener: Bleaching powder is not used as a food additive or sweetener.
- To make soap: Soap is typically made through saponification of fats and oils, a process not involving bleaching powder.
- To disinfect water: This is a primary and widespread use of bleaching powder. Its ability to release chlorine makes it effective in killing harmful microorganisms in water, thus purifying it.
- As a fuel: Bleaching powder is not combustible and is not used as fuel.
Primary Application
Based on its chemical properties, the most common and significant use of bleaching powder among the given options is for disinfecting water.
Correct Answer: Option 3: To disinfect water
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Browning of the chopped apple can be minimized by :
Among the following, which is not the correct method for keeping the curd?
Which one of the following metals is most commonly used for making filament of incandescent electric bulbs?
Which one of the following is not a form of condensation?
Which one of the following alloys contains a non-metal as one of its constituent?
