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VGS PUBLICATION-BRILLIANT-FINAL TOUCH (MOST IMPORTANT QUESTIONS)- S - BLOCK ELEMENTS (VERY SHORT ANSWER TYPE QUESTIONS)
- Lithium salts are mostly hydrated . Why ?
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- Lithium react with water less vigorously than sodium. Give your reason...
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- What happens when magnesium metal is burnt in air?
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- Why is gypsum added to cement?
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- Why are alkali metals not found in the free state in nature?
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- Potassium carbonate cannot be prepared by Solvey process. Why?
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- Describe the important uses of caustic soda.
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- Mention some uses of sodium carbonate.
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- Describe the important uses of quick lime.
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- Write the chemical composition of plaster of Paris. Write its importan...
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- Give an account of the biological importance of Na^(+) and K^(+) ions.
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- Which of the alkali matals shows abnormal density ? What is the order ...
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