Question
| 1. Leukoplast | (a) Photosystems |
| 2. Accessory pigments | (b) Inner mitochondrial membrane |
| 3. Chlorophyll | (c) Chlorophyll and Carotenoids |
| 4. Cristae | (d) Colourless plastids |
| 5. Chl.a and Accessory pigments | (e) Green pigment |
| 1. Leukoplast | (a) Photosystems |
| 2. Accessory pigments | (b) Inner mitochondrial membrane |
| 3. Chlorophyll | (c) Chlorophyll and Carotenoids |
| 4. Cristae | (d) Colourless plastids |
| 5. Chl.a and Accessory pigments | (e) Green pigment |
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| i. Copper | (a) Lustrous greyish white metal |
| ii. Iron | (b) Cn 112 |
| iii. Aluminium | (c) Reddish-brown metal |
| iv. Copernicium | (d) Silvery white metal |
| i. Isotopes | (a) $S _8, P _4$ |
| ii. Isobars | (b) ${ }_6 C ^{13}{ }_7 N ^{14}$ |
| iii. Isotones | (c) ${ }_1 H ^1,{ }_1 H ^2,{ }_1 H ^3$ |
| iv. Polyatomic molecule | (d) ${ }_{18} Ar ^{40}{ }_{20} Ca ^{40}$ |
| 1. Power | (a) V = IR |
| 2. Joule’s law | (b) ρ=RAl |
| 3. Ohm’s law | (c) P = VI |
| 4. Specific Resistance | (d) I = Qt |
| 5. Electric energy | (e) $H = I^2$ |
| i. $H _2 O$ | (a) 180 g |
| ii. $NH _3$ | (b) 44 g |
| iii. $CO _2$ | (c) 17 g |
| iv. $C _6 H _{12} O _6$ | (d) 18 g |
| 1.$CH _3 OH$ | (a) Dimethyl Ketone |
| 2. $CH _3 CHO$ | (b) Acetic acid |
| 3. $CH _3 COCH _3$ | (c) Acetaldehyde |
| 4. $CH _3 COOH$ | (d) Methyl alcohol |
| 1. $CH _3- CH _2 OH$ | (a) Ethanal |
| 2. $CH _3- COOH$ | (a) Ethanal |
| 3. $CH _3- CHO$ | (c) Propanone |
![]() | (d) Ethanoic acid |
| Metal | Ore | Chemical formula |
| 1. Copper | Bauxite | $ZnCO _3$ |
| 2. Aluminium | Haematite | $CuFeS _2$ |
| 3. Iron | Copper pyrite | $Fe _2 O _3$ |
| 4. Zinc | Calamine | $Al _2 O _3 \cdot 2 H _2 O$ |
| 1. Charge of each α particle | (a) γ ray |
| 2. Charge of each β particle | (b) +2e |
| 3. Penetration power is maximum | (c) α ray |
| 4. Ionisation power is maximum | (d) zero |
| Process | Ores |
| i. Hydraulic process | (a) $ZnS$ |
| ii. Magnetic separation | (b) $Fe _2 O _3$ |
| iii. Froth floatation process | (c) $SnO _2$ |
| iv. Leaching process | (d) $Al _2 O _3 \cdot 2 H _2 O$ |