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प्रश्न
Match the items given in Column I with the type of solutions given in Column II.
| Column I | Column II |
| (i) Soda water | (a) A solution of gas in solid |
| (ii) Sugar solution | (b) A solution of gas in gas |
| (iii) German silver | (c) A solution of solid in liquid |
| (iv) Air | (d) A solution of solid in solid |
| (v) Hydrogen gas in palladium | (e) A solution of gas in liquid |
| (f) A solution of liquid in solid |
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उत्तर
| Column I | Column II |
| (i) Soda water | (e) A solution of gas in liquid |
| (ii) Sugar solution | (c) A solution of solid in liquid |
| (iii) German silver | (d) A solution of solid in solid |
| (iv) Air | (b) A solution of gas in gas |
| (v) Hydrogen gas in palladium | (a) A solution of gas in solid |
Explanation:
(i) Soda water: A solution of gas in liquid, e.g.,CO2 in soft drinks.
(ii) Sugar solution: A solution of solid in liquid in which sugar particles (solid) are dissolved in water (liquid).
(iii) German silver: This is an alloy which is a solid solution of solid in solid. It is an alloy of Cu, Zn and Ni.
(iv) Air: A solution of gas in gas..Air is a mixture of various gases.
(v) Hydrogen gas in palladium: This is an example of solution of gas in solid. This is used as a reducing agent.
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