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SOME BASIC CONCEPTS OF CHEMISTRY
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CHHAYA PUBLICATION-SOME BASIC CONCEPTS OF CHEMISTRY-WARM UP EXERCISE
- Write modified form of Dalton's atomic theory on the basis of Avogadro...
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- It is proper to consider Avogadro's hypothesis as a law? Explain.
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- Define a molecule on the basis of Avogadro's hypothesis.
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- Define atomic mass according to modern scale.
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- What was the reason for selecting oxygen, instead of hydrogen, as the ...
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- What is atomic mass unit?
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- Mention actual mass of a ""^(12)C-atom.
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- Mention the mass of ""^(14)N-atom in amu.
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- Atomic mass o an element should properly be called average atomic mass...
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- What do you mean by 'the mass of an H-atom is 1.008 amu'. Calculate th...
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- Distinguish between actual mass and atomic mass.
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- Why are the atomic masses generally fractional?
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- The element, boron has two isotopes (""^(10)B and ""^(11)B). Calculate...
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- What is the magnitude of 1 amu?
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- Calculate the number of gram-atom present in 2.1g of nitrogne and 0.23...
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- Define molecular mass according to modern scale.
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- The molecular mass of sodium chloride is 58.5'. Comment on this statem...
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- Give an example of a tetra-atomic element and calculate its molecular ...
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- Define formula mass.
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- Molecular mass and formula mass are not always synonymous-explain.
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