The present system of atomic masses is b...

The present system of atomic masses is based on carbon-12 as the standard and has been agreed upon in

1960

1961

1980

1976

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BRILLIANT PUBLICATION-SOME BASIC CONCEPTS OF CHEMISTRY-LEVEL-I

The present system of atomic masses is based on carbon-12 as the stand...
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Which of the following is a characteristic of both mixtures and compou...
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A mixture of sand and iodine can be separated by
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The largest number of molecules is in
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Five grams of each of the following gases at 87^(@)C and 750mm pressur...
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The number of moles of H(2)" in "0.224 litre of hydrogen gas at STP(27...
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7.5 grams of a gas occupy 5.6 litre of volumes at STP. The gas is
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Which of the following has the largest number of atoms?
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An english word,written in carbon pencil weighs 1mg. What is the numbe...
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The number of atoms of oxygen present in 10.6 g of Na(2)CO(3) is
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The specific heat of a metal is 0.16. Its approximate atomic weight wo...
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Law of multiple proportion is illustrated by one of the following pair...
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Given that the oxidation state of sulphur is -2, calculate the gram eq...
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How many molecules are present in 5.23g of glucose (C(6)H(12)O(6))?
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Which one of the following is the lightest?
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Which of the following substance contains greatest mass of chlorine?
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Mass of one atom of X is 6.66xx10^(-23)g. Hence number of mole of atom...
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In a gas S and O are 50% by mass, hence,their mol ratio is
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The density of C Cl(4) vapour in g"/"L at STP will be
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The number of electrons present in 5.6 litre of H2 gas at S.T.P is
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10g of CaCO(3) contains
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