Answer me soon plz 1. A solution turns blue litmus red, its pH is likely to be. a) 1 b) 14 c) 7 d) 10 2. A solution reacts with crushed egg shells to give a gas that turns lime water Milky. The solution contains. a) NaCl b) HCl c) LiCl d) KCl 3. A rectangular coil of coppercoil is rotated in a Magnetic field. The direction of the induced Current Changes once in each. a) Two revolutions b) One revolution c) Half revoluton d) one fourth revolution. 4. A potted plant is made to lie horizontally on the ground. the part of the plant which show negative geotropism is. a) Root b) Leaves c) Shoot d) Fruit. 5. The Phenomenon indicated by the above diagram is. a) Reflection b) Refraction c) Dispersion d) Total Internal reflection. 6. In evolutionary terms, we have more in common with. a) a chinese school boy b) a chimparzee c) a spider d) a bacterium 7. The core of electro magnet is a) Soft iron b) Nickel c) Glass d) Copper 8. Metal that exists in liquid state at room temperature is a) Sodium b) Chlorine c) Mercury d) Aluminium 9. Now a days government has banned the use of Polythene bags and is initiating to use paper bags because. a) It is Costly b) It is biodegradable. c) It is non biodeghadable d) It is lighter. 10. In your class your friend has difficulty in reading the black board while sitting in the first bench. What may be the defect. a) Myopia b) Hyper Metropia c) Presbyopia d) Diabetic retinopathy.