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Chemistry |
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241)Reserpine is used to | |||
cure rickets | alleviate pain | ||
alleviate hypertension | cure cancer | ||
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242)The method that cannot be used for removing permanent hardness of water is | |||
boiling | distillation | ||
adding caustic soda | adding sodium carbonet | ||
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243)The metal that finds use in electromagnet is | |||
copper | chromium | ||
nickel | soft iron | ||
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244)Vitamin C is | |||
citric acid | ascorbic acid | ||
acetic acid | lactic acid | ||
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245)The pair of metals used in the manufacturing of stainless steel are | |||
copper and iron | chromium and steel | ||
iron and chromium | zinc and iron | ||
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246)The maximum number of particles would be found in 100ml aqueous solution of | |||
0.4 mole MgBr2 | 1 mole of ehtyl alchohol | ||
0.8 mole of KBr | 0.5 mole of NaCl | ||
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247)Ome gram-atom of iron is | |||
111.6g of iron | 55.8g of iron | ||
1g of iron | 55.8 amu | ||
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248)The disease caused due to the lack of vitamin D in the diet is | |||
Ricket | Beri-Beri | ||
Night blindness | Scurvy | ||
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249)The difference between isotopes of an element is due to the presence of a different number of | |||
electrons | protons | ||
photons | neutrons | ||
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250)In order to lower the temperature below 0oC, the substance mixed with ice is | |||
lime | sodium chloride | ||
sodium carbonate | magnesium sulphate | ||
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251)The drug against infectious disease is | |||
sulphathiazole | reserpine | ||
insulin | aspirin | ||
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252)The urine sample of a diabetic patient contain | |||
sucrose | maltose | ||
glucose | lactose | ||
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253)The material which can be deformed permanently by heat and pressure is called | |||
thermoset | thermoplastic | ||
polymer | chemical compound | ||
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254)An example of a cross-linked polymer is | |||
bakelite | nylon | ||
PVC | polythene | ||
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255)Photooxidation process is initiated by | |||
catalyst | oxygen | ||
heat | light | ||
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