General Science - Single MCQs (Page 28)

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Q271. Alzheimer's disease in human beings is characterised by the degeneration of?...Q272. Amount of water vapour (gaseous) in a given volume of air (Cubic Meter) is known...Q273. An element that does not occur in nature but can be produced artificially is?...Q274. For which of the following substances, the resistance decreases with increase in...Q275. Formaldehyde is the starting material for the manufacture of?...Q276. Galena is the principal ore of which element?...Q277. German Silver is an alloy of?...Q278. Glass is actually a?...Q279. Gene was first isolated by?...Q280. From which mineral is radium obtained?...