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Chemistry
241)Reserpine is used to
	cure rickets		alleviate pain
	alleviate hypertension		cure cancer
Answer :
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
Answer :
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
Answer :
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
Answer :
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
Answer :
255)Photooxidation process is initiated by
	catalyst		oxygen
	heat		light
Answer :

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