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0.103g sample of NH4NO3 required 12.8ml of 0.101M NaOH for neutralization.what is the %purity of a sample?
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The quantity y is partly constant varies as the square x.write down the relationship between X and y.when X=1,y=11 and when
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The quantity A varies directly as the cube root of P=8 when Q=2/3
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The 2nd and 5th term of a.p are -7 and 56 respectively find the first term. The common ratio. The sum of the five term
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Iron combines with chlorine to form two chloride. If 12.7g of chloride X and 16.3g of chloride Y contain 7.1g and 10.7g of chlorine respectively show that figure agree with law of multiple proportion
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