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CHHAYA PUBLICATION-SOME BASIC CONCEPTS OF CHEMISTRY-EXERCISE (VERY SHORT TYPE QUESTIONS)
- Give relation between units of pressure in CGS & SI systems.
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- Which quantity is measured by 'Angstrom' unit?
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- Which quantity is measured in 'Pascal' unit?
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- Who proposed the law of definite proportions?
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- Give an example where the law of definite proportion falls.
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- Which law of chemical combination was proposed by richter?
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- Which measurement is more precise, 4.0g or 4.00g?
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- What is atomic mas unit?
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- What do you understand by "Rounding off"?
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- Give an example of a non-stoichiometric compound.
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- Who is known as the father of atomic theory?
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- Give an example of bierthollide compound.
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- Which scale is approved by IUAPC for measuring atomic mass?
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- Express 1 amu in gram.
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- What is the actual mass of a ""^(12)C-atom.
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- What is the volume of 1 mol of any gas at STP?
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- For which type of compounds, "formula mass" is used?
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- What is the mass of 1L of hydrogen gas at STP?
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- Who determined the value of Avogadro's number?
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- What is the number of ions present in "1 mol ion"?
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