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wid itz engine delievering max (and constant ) power, a sports car accelerates from 0 to 60 mph in 9 seconds. how long did it take 2 reach 20 mph?? a) 4.5s b) 1s c) 3s d) 6s ...
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1)compare d solubility of the foll compounds of d alkali metals wid those of d alkaline earth metals : a) nitrates b) carbonates c) sulphates d) hydroxides 2) starting wid NaCl , how would you proceed to prepare sodium peroxi ...
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1) predict d formula of d compound formed b/w element wid atomic no. 71 & fluorine. 2) y d electronegativity of nitrogen on pauling scale is 3.0 in all d nitrogen compounds? 3) wat is d significance of a + & a - sign shown in ...