Question
| 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 |
✓
Answer
4 1 2 3
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(i) Helium – (a) flash bulbs
(ii) Neon – (b) radioactive
(iii) Krypion – (c) air balloons
(iv) Radon – (d) Brilliant red
(ii) Neon – (b) radioactive
(iii) Krypion – (c) air balloons
(iv) Radon – (d) Brilliant red
| Column I | Column II |
| A. Sol | 1. Butter, cheese |
| B. Solid foam | 2. Pearls, opals |
| C. Gel | 3. Pumice stone, rubber band |
| D. Solid sol | 4. Ink, paint |
| Code: | A | B | C | D |
| (a) | 3 | 4 | 2 | 1 |
| (b) | 4 | 3 | 1 | 2 |
| (c) | 1 | 2 | 3 | 4 |
| (d) | 2 | 1 | 4 | 3 |
| Column I | Column II |
| (i) Ohm's law | (a) $E _{\text {cell }}= E _{\text {cell }}^{\circ}-\frac{0.0591}{ A } \log \frac{[ C ]^1[ D ]^{ m }}{[ A ]^{ x }[ B ]^{ y }}$ (b) $m = ZIT$ |
| (ii) Kohlraush's law | (b) $m = ZIT$ |
| (iii) Nernst equation | (c) $V = IR$ |
| (iv) Faradays first law | (d) $\left(\Lambda_{ m }^{\circ}\right)_{ A _{ x } B _{ y }}= x \left(\lambda_{ m }^{\circ}\right)_{ A ^{ y }}+ y \left(\lambda_{ m }^{\circ}\right)_{ B ^{ x }-}$ |
| Code: | A | B | C | D |
| $i$. | c | d | a | b |
| ii. | a | b | c | d |
| iii. | d | c | b | a |
| iv. | b | a | d | c |
| A. Sc to Zn | 1. 5d series |
| B. Y to Cd | 2. Actinoids |
| C. La to Hg | 3. 3d series |
| D. Ac to Lr | 4. 4d series |
(i) Gold nanopaticle – (a)Cast iron
(ii) Cast iron – (b) Cooking vessels
(iii) Metallic zinc – (c) Solar cells
(iv) Aluminium – (d) Pump stoves
(ii) Cast iron – (b) Cooking vessels
(iii) Metallic zinc – (c) Solar cells
(iv) Aluminium – (d) Pump stoves
| (i) Resistance | (a) Ohm m |
| (ii) Resistivity | (b) $Sm ^{-1}$ |
| (iii) Conductance | (c) $Ohm$ |
| (iv) Specific conductance | (d) $S$ |
| Code: | A | B | C | D |
| $i$. | a | b | c | d |
| ii. | c | a | d | b |
| iii. | d | c | b | a |
| iv. | b | d | a | c |
| Column-I | Column-II |
| A. Propan-2-ol | 1. Primary alcohol |
| B. 2-methyl -propan-2-ol | 2. Secondary alcohol |
| C. Butan-1-ol | 3. Aromatic alcohol |
| D. Phenyl methanol | 4. Tertiary alcohol |
| Code. | A | B | C | D |
| (a) | 2 | 4 | 1 | 3 |
| (b) | 1 | 2 | 3 | 4 |
| (c) | 4 | 3 | 2 | 1 |
| (d) | 3 | 1 | 4 | 2 |
(i) $XeF _4-$ (a) $s p^3$
(ii) $XeOF _2-$ (b) $sp ^3 d ^2$
(iii) $XeO _3-$ (c) $sp ^3 d ^3$
(iv) $XeF -$ (d) $s p^3 d$
→(ii) $XeOF _2-$ (b) $sp ^3 d ^2$
(iii) $XeO _3-$ (c) $sp ^3 d ^3$
(iv) $XeF -$ (d) $s p^3 d$
| Column I | Column II |
| A. $CH _3 CHO \rightarrow CH _4+ CO$ | 1. $pt$ |
| B. $C _{12} H _{22} O _{11}+ H _2 O \rightarrow C _6 H _{12} O _6+ C _6 H _{12} O _6$ | 2. $Fe$ |
| C. $N _2+3 H _2 \rightarrow 2 NH _3$ | 3. $I _2$ |
| D. $4 NH _3+5 O _2 \rightarrow 4 NO +6 H _2 O$ | 4. $H _2 SO _4$ |
| Code: | A | B | C | D |
| (a) | 4 | 3 | 1 | 2 |
| (b) | 3 | 4 | 2 | 1 |
| (c) | 2 | 1 | 4 | 3 |
| (d) | 1 | 2 | 3 | 4 |
| 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 |