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PYQ 1200 Q/A Part - 1
PYQ 1200 Q/A Part - 2
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PYQ 1200 Q/A Part - 5
Kerala PSC General Science Book Study Materials Page 350
Book's First Page(b) formic acid and water (c) methyl alcohol and water (d) ethyl alcohol and water Ans: (d) 200. The excess use of ethyl alcohol damages the human organ which is : (a) kidney (b) liver (c) heart (d) intestine Ans: (b) 201. In the hooch tragedy (casualty occurring due to wine poisoning) sometimes the incidents of blindness is caused by the poisoness substance: (a) ethyl alcohol (b) methyl alcohol (c) amyle alcohol (d) benzyle alcohol Ans: (b) 202. The micro-nutrients provided by inorganic fertilizers are [CDS 2012] (a) Carbon, iron and boron (b) Magnesium, manganese and sulphur (c) Magnesium, zinc and iron (d) Nitrogen, phosphorus and potassium Ans: (d) 203. Which one among the following is correct regarding 20Ne, 23Na+, 19F- and 24Mg2+? [NDA 2012] (a) They are isomers of each other (b) They are isotopes of each other (c) They are isoelectronic with each other (d) All of the above Ans: (b) 204. The end product of an alcoholic fermentation is : (a) pyrubic acid (b) acetaldehyde (c) ethyl alcohol (d) formic acid Ans: (c) 205. The Gasohol is a mixture of gasoline and: (a) ethyl alcohol (b) methyl alcohol (c) butyl alcohol (d) ethylene glycol Ans: (a) 206. The methanol is also known by the name of : [RRB ASM 2004] (a) rubing alcohol (b) deformed alcohol (c) wood alcohol (d) grain alcohol Ans: (c) 207. Which one among the following is the main ingredient in cement? [NDA 2011] (a) Gypsum (b) Limestone (c) Clay (d) Ash Ans: (b) 208. Glass is actually- [NDA 2011] (a) A crystalline solid (b) An ionic solid (c) An elastic solid (d) A nitrified liquid Ans: (a) 209. The mixture of antifreezer substances are used in the radiators of automobiles of cold countries, this mixture has: (a) water and ethyl alcohol 349