Wednesday
August 20, 2014

Posts by Devanshu


Total # Posts: 5

chemistry
75gm
November 10, 2010

Chemistry
A gaseous oxide contains 30.4% of nitrogen, one molecule of which contains one nitrogen atom. The density of the oxide relative to oxygen gas is.........
June 3, 2010

Chemistry
2.7g of Ag2Co3 on being heated strongly yields a residue weighing.......
June 3, 2010

Chemistry
Element A (atomic weight 12.01) and element B (atomic weight 16) combine to form a new substance X. Two moles of B combine with one mole of A. Then the weight of one mole of X is........
June 3, 2010

Chemistry
How many g of KCL would have to be dissolved in 60g H2O to give 25% by wt. of solution?
June 3, 2010

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