Questions tagged 'laws-of-chemical-combination'

• Which of the following pairs of substances illustrate the law of multiple proportions
  Category: chemical-aritmatic | Tags: laws-of-chemical-combination
• 1.0 g of an oxide of A contained 0.5 g of A. 4.0 g of another oxide of A contained 1.6 g of A. The data indicate the law of
  Category: chemical-aritmatic | Tags: laws-of-chemical-combination
• Among the following pairs of compounds, the one that illustrates the law of multiple proportions is
  Category: chemical-aritmatic | Tags: laws-of-chemical-combination
• The percentage of copper and oxygen in samples of $CuO$ obtained by different methods were found to be the same. This illustrates the law of
  Category: chemical-aritmatic | Tags: laws-of-chemical-combination
• Two samples of lead oxide were separately reduced to metallic lead by heating in a current of hydrogen. The weight of lead from one oxide was half the weight of lead obtained from the other oxide. The data illustrates
  Category: chemical-aritmatic | Tags: laws-of-chemical-combination
• Chemical equation is balanced according to the law of
  Category: chemical-aritmatic | Tags: laws-of-chemical-combination
• Avogadro number is
  Category: chemical-aritmatic | Tags: laws-of-chemical-combination
• Different propartions of oxygen in the various oxides of nitrogen prove the
  Category: chemical-aritmatic | Tags: laws-of-chemical-combination
• Two elements X and Y have atomic weights of 14 and 16. They form a series of compounds A, B, C, D and E in which the same amount of element X, Y is present in the ratio 1 : 2 : 3 : 4 : 5. If the compound A has 28 parts by weight of X and 16 parts by weight of Y, then the compound of C will have 28 parts weight of X and
  Category: chemical-aritmatic | Tags: laws-of-chemical-combination
• Carbon and oxygen combine to form two oxides, carbon monoxide and carbon dioxide in which the ratio of the weights of carbon and oxygen is respectively 12 : 16 and 12 : 32. These figures illustrate the
  Category: chemical-aritmatic | Tags: laws-of-chemical-combination

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