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| 1) Hydrochloric acid | a) Fertilizer |
| 2) Citric acid | b) Baking powder |
| 3) Nitric acid | c) Car batteries |
| 4) Oxalic acid | d) Cleansing agent in toilets |
| 5) Sulphuric acid | e) Removing black stains |
| f) Effervescent salts |
| Organ | Elimination | |
| Skin | a. | Urine |
| Lungs | b. | Sweat |
| Intestine | c. | Carbon dioxide |
| Kidneys | d. | Undigested food |
| Column A | Column B |
| 1. Colloidal solution | (a) Carbon, Oxygen, Chlorine, Neon |
| 2. Homogeneous | (b) C12H22O11 |
| 3. Cane sugar | (c) dispersed phase, dispersed medium |
| 4. Non-Metals | (d) Oil shaken in the water |
| 5. Suspensions | (e) True solutions |
| Column I | Column II |
| Indirect dyes | Congo red |
| Direct dyes | Alizarin |
| Vat dyes | Methylene blue |
| Basic dyes | Picric acid |
| Acid dyes | Indigo |
| . Electric generator | a) Electro magnetic induction |
| 2. Dynamo | b) Fleming’s left hand rule |
| 3. Magnetic field lines | c) Slip rings |
| 4. Electric motor | d) North to south |
| 1.Mars | a) Bluish-green planet |
| 2.Jupiter | b) Cold gas giant |
| 3. Earth | c) Giand planet |
| 4. Uranus | d) Red planet |
| 1. Electricity and magnetism | a) Step-down transformer |
| 2. Force on the conductor | b) Hans Christian Oersted |
| 3. Electric bell | c) I L B |
| 4. Ns <Np | d) Electromagnet |
| Dispersed phase & Medium | Examples |
| 1. Solid solid | (a) gel |
| 2. Liquid solid | (b) emulsion |
| 3. Liquid-liquid | (c) solid foam |
| 4. Gas solid | (d)alloys |
| Column I | Column II |
| (i) r > 90 | (a) Light gazes the surface of separation between two mode. |
| (ii) r = 90 | (b) No refraction. |
| (iii) r < 90 | (c) Refracted ray away from the normal |
| 1. | Magnetic material | a) | Oersted |
| 2. | Non-magnetic material | b) | Iron |
| 3. | Current and magnetism | c) | Induction |
| 4. | Electromagnetic (d) Wood induction | d) | Wood |
| 5. | Electric generator | e) | Faraday |