Question

5. Answer in three-four sentences : 3 x 6 = 18 6.1 Draw the preliminary structures of the molecules of water, methane and ammonia where the atoms are held by covalent bonds. 6.2 Mention the structure and function of endoplasmic reticulum 6.3 The specific heat of copper is 0.09 cal/g °C. How much heat will be required to increase the temperature of a piece of copper weighing 70 g by 20°C? 6.4 "Organic manure is better than inorganic fertilizers"--justify the statement. 6.5 Upon which factors does the rate of evaporation of a liquid depend? 6.6 How are spawns of fishes produced artificially?​

Answer 1

Answer:

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