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Can anyone help me in class 10 Sst subject.
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Why did the new technology not entirely displace the existing art of producing books by hand?
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a sample of magnesium carbonate was found to contain 38.5% of magnesium, 24.2% of carbon and 67.1% of oxygen. By applying the law of constant proportion, calculate the masses of Magnesium, Carbon and oxygen resent in 30 grams of another sample of magnesium carbonate