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October 21, 2020 - Daily Quiz

1. Which of the following is correct about Hydrazine? (a) It is used in various rocket fuels (b) Is chemical formula is N2 H2 (c) It is a blue colour liquid (d) All of the above 2. Which of the following Articles has the provision of participation of workers in the management of industries? (a) Article 45 (b) Article 43 A (c) Article 47 (d) Article 43
3. A two digit number is seven times the sum of its digits. If each digit is increased by 2, the number thus obtained is more than six times the sum of its digits by 4. Find the number. (a) 40 (b) 44 (c) 42 (d) 46 4. For which of the following reasons Calcium ammonium nitrate (CAN) is considered as a popular nitrogen fertilizer? (a) It fixes the nitrogen in the soil (b) It is slow supplier of nitrogen (c) It is capable of making the soil acidic (d) It is having more percentage of nitrogen in it  5. Which of the following is correct about Potassium sodium tartrate tetrahydrate? (a) It is an ingredient of Fehling's solution (reagent for reducing sugars). (b) It is known to exhibit piezoelectricity (c) Both a and b (d) None of the above ANSWERS 1. (a) The chemical formula of Hydrazine is N2 H4. it is a colorless flammable liquid with an ammonia-like odour. It is used in various rocket fuels. 2. (b) Article 43 A of the Constitution of India provides for the participation of workers in the management of industries. The state shall take appropriate steps to secure the participation of workers. 3. (C) 4. (b) Calcium Ammonium Nitrate (CAN) fertilizer can be safely applied to acid soils. Its total nitrogen content varies from 25 to 28% (Half of this total nitrogen is in the ammonical form and rest half is in nitrate form). 5. (c)






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