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Chalk contains 10 % Calcium, 3 % Carbon and 12% Oxygen. Find the amount (in grams) of each of these compounds in 1 kg of chalk.
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Ex 8.3, 7 - (i) Chalk contains calcium, carbon, oxygen in ratio 10:3:
Ex 8.3, 7 - (i) Chalk contains calcium, carbon, oxygen in ratio 10:3:
Composition of the human body: Oxygen 65%, Carbon 18%, Hydrogen 10%, Nitrogen 3%, Calcium 1.5%, Phosphorus 1%, Potassium 0.25%, Sulphur 0.25%, Sodium 0.15%, Chlorine 0.15% Magnesium 0.05%, Iron 0.006%, Fluorine 0.0037%, Zinc
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Chalk contains 3% of carbon, 10% of calcium and 12% of oxygen. Find the amount in grams of each of these substance in 1 kg of chalk.
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