5. Which of these is not an
b) Red ca
IL Very short answer type questions:
1. On what principle is the fire extinguisher based ?
2. What makes the cold drinks and soda fuzzy ?
3. Name two salts (with their chemical formulae) which have water of crystal
4. Why are laboratory table-tops given an acid resistant coating?
5. List two uses of acetic acid
6. What happens when bases are strongly heated ?
7. What is "milk of magnesia"?
8. Name two salts that are used to preserve jams and pickles?
9. What is "Plaster of Paris"? What is its use in medical industry?
II. Short answer type questions:
1. What is meant by acidity in stomach and how can it be cured ? Name two
2. Why does our body require salts ? List some common salts that our body
3. What is deliquescence and what are deliquescent salts ?
4. Why are brass and copper utensils coated with tin?
5. Write some uses of HCI, H,SO, and HNO,
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Answer:
i don't no sorry !
Explanation:
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