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of methyl orange solution is added to the product
obtained in (b)?
5. Complete the following table by writing the names of acids U 5
and bases from which the following salts are prepared:
Sl. No. Salt Acid Base
1 Potassium
chloride
2 Ammonium
sulphate
3 Sodium
carbonate
4 Calcium
nitrate
5 Sodium
acetate

5. What should be the pH value of potassium carbonate solution?
a)Zero
b)Equal to 7
c)Less than 7
d)More than 7
6. The salt used to enhance the taste of food.
a)Calcium chloride
b)Ammonium chloride
c)Sodium chloride
d)Zinc chloride
7. Copper sulphate is used as a:
a)Food preservative
b)Taste enhancer
c)Fungicide
d)Food colour
8. Products formed when active metals react with acids:
a)Salt and Hydrogen
b)Alkali and water
c)Salt and oxygen
d)Salt and water

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