Question : The common name of the compound CaOCl2 is ______.
Option 1: bleaching powder
Option 2: washing soda
Option 3: baking soda
Option 4: gypsum
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Correct Answer: bleaching powder
Solution : The correct option is bleaching powder.
Calcium hypochlorite is commonly known as bleaching powder. It is widely used for water treatment, disinfection, and as a bleaching agent. In addition to its role in water purification, it's employed in the textile and paper industries for bleaching processes. The compound releases chlorine when dissolved in water, contributing to its disinfecting and bleaching properties.
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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 : The chemical formula of gypsum is ______.
Option 1: CaSO4.2H2O
Option 2: CaSO4.H2O
Option 3: CaSO4
Option 4: CaSO4.(1/2)H2O
Question : The chemical formula of bleaching powder is ______.
Option 1: CaOCl2
Option 2: CaO
Option 3: CaCO3
Option 4: Ca(OH)2
Question : What is the total surface area of a cone, if the slant height and radius of a cone are 30 cm and 14 cm, respectively?
Option 1: 1980 cm2
Option 2: 1963 cm2
Option 3: 1908 cm2
Option 4: 1936 cm³
Question : The term of a Governor is
Option 1:
4 years
Option 2:
5 years
Option 3:
6 years
Option 4: 3 years
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