Question
(i) Tin stone - (a) $AgCl$
(ii) Argentite - (b) $Ag _3 SbS _3$
(iii) Ruby silver - (c) $Ag _2 S$
(iv) Horn silver - (d) $SnO _2$
(ii) Argentite - (b) $Ag _3 SbS _3$
(iii) Ruby silver - (c) $Ag _2 S$
(iv) Horn silver - (d) $SnO _2$
✓
Answer
(i) – (d), (ii) – (c), (iii) – (b), (iv) – (a)
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| Column-I | Column-II |
| A. $pH =8$ | 1. Soapy water |
| B. $pH =10$ | 2. Drain cleaner |
| C. $pH =12$ | 3. Sea water |
| D. $pH =14$ | 4. Indigestion tablet |
| (i) Cell constant | (a) $S m ^2 mol ^{-1}$ |
| (ii) equivalent conductance | (b) $Sm ^{-1}$ |
| (iii) Molar conductance | (c) $Sm ^2 g eq ^{-1}$ |
| (iv) Specific conductance | (d) $m ^{-1}$ |
| Code: | A | B | C | D |
| $i$. | a | b | c | d |
| ii. | d | c | b | a |
| iii. | b | d | a | c |
| iv. | c | a | d | b |
| Code. | A | B | C | D |
| (a) | 3 | 1 | 4 | 2 |
| (b) | 1 | 2 | 3 | 4 |
| (c) | 4 | 3 | 2 | 1 |
| (d) | 2 | 4 | 1 | 3 |
| Code. | A | B | C | D |
| (a) | 4 | 1 | 2 | 3 |
| (b) | 1 | 2 | 3 | 4 |
| (c) | 2 | 3 | 4 | 1 |
| (d) | 3 | 4 | 1 | 2 |
| A. Tungsten | 1. Development of human civilization |
| B. Titanium | 2. Light bulb filament |
| C. Molybdenum | 3. Artificial joint |
| D. Copper | 4. Boiler plants |
| Column-I | Column-II |
| A. Glycerol + dil. $HNO _3$ | 1. Meso oxalic acid |
| B. Glycerol + bismuth nitrate | 2. Oxalic acid |
| C. Glycerol + Fenton's reagent | 3. Glyceric acid + Tartronic acid |
| D. Glycerol + acidified $KMnO _4$ | 4. Glycerose |
| Code. | A | B | C | D |
| (a) | 3 | 1 | 4 | 2 |
| (b) | 1 | 2 | 3 | 4 |
| (c) | 4 | 3 | 2 | 1 |
| (d) | 2 | 4 | 1 | 3 |
| Code. | A | B | C | D |
| (a) | 4 | 1 | 2 | 3 |
| (b) | 1 | 2 | 3 | 4 |
| (c) | 3 | 4 | 1 | 2 |
| (d) | 2 | 3 | 4 | 1 |
| Column I | Column II |
| A. Solid in gas | 1. Foam |
| B. Gas in liquid | 2. Gel |
| C. Liquid in liquid | 3. Solid Aerosol |
| D. Liquid in solid | 4. Emulsion |
| Code: | A | B | C | D |
| (a) | 1 | 2 | 3 | 4 |
| (b) | 4 | 3 | 2 | 1 |
| (c) | 3 | 1 | 4 | 2 |
| (d) | 2 | 4 | 1 | 3 |