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BHARATI BHAWAN (ENGLISH)-COMPOUNDS OF COMMON USE-Short Answer Questions
- Which of the following substances can be obtained by using common salt...
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- How is washing soda different from sodium bicarbonate ?
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- How is sodium carbonate converted into sodium bicarbonate ?
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- Name the chemical substance which is used as a flux in the extraction ...
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- Are the crystalline salts really dry ? Give your answer with reasons .
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- A white compound of sodium is used to remove hardness of water and asl...
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- Explain why baking soda is used as an antacid .
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- Name the compound of calcium which gets hardened when treated with wat...
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- Write the chemical formula of gypsum. How is it converted into plaster...
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- Why is plaster of paris stored in a moistureproof vessel ?
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- What is the difference between slaked lime and lime water ?
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- Why is sodium chloride required in our body?
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- What happens when a sample of sodium hydrogen carbonate is heated ? Wr...
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- What happnes when bleaching powder is heated with dilute H(2)SO(4) ? ...
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- How many molecules of water of crystallization are present in the foll...
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- (a). What is bleaching powder? How is bleaching powder prepared? Write...
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- Describe an activity to show that blue copper sulphate contain water o...
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- Why is the formula of plaster of paris written as CaSO(4) .1/2 H(2)O ...
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- Give the important properties of baking soda.
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- Give two important uses of washing soda and baking soda each.
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