Match list-I with list-II:
List-I (Commercial name) |
List-II (Chemical name) |
||
(a) | Calgon | (i) | Sodium aluminium silicate (hydrated) |
(b) | Permutit | (ii) | Sodium carbonate |
(c) | Soap | (iii) | Sodium hexameta-phosphate |
(d) | Washing soda | (iv) | Sodium stearate |
Choose the correct answer from the options given below:
(a) | (b) | (c) | (d) | |
1. | (i) | (iv) | (ii) | (iii) |
2. | (iii) | (i) | (iv) | (ii) |
3. | (ii) | (iii) | (iv) | (i) |
4. | (iv) | (iii) | (i) | (ii) |
Match the following and identify the correct option
(a) CO(g)+H2(g) | (i) Mg(HCO3)2+Ca(HCO3)2 |
(b) Temporary hardness of water | (ii) An electron deficient hydride |
(c) B2H6 | (iii) Synthesis gas |
(d) H2O2 | (iv) Non-planar structure |
(a) | (b) | (c) | (d) | |
1. | (iii) | (ii) | (i) | (iv) |
2. | (iii) | (iv) | (ii) | (i) |
3. | (i) | (iii) | (ii) | (iv) |
4. | (iii) | (i) | (ii) | (iv) |
The method used to remove the temporary hardness of water is-
1. Synthetic resins method
2. Calgon's method
3. Clark's method
4. Ion-exchange method
The ease of adsorption of the hydrated alkali metal ions on ion-exchange resins follows the order:
1.
2.
3.
4.