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NCERT EXEMPLAR-SOME BASIC CONCEPTS OF CHEMISTRY-All Questions
- 16 of oxygen has same number of molecules as in
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- Which of the following terms are unitless?
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- One of the statements of Dalton's atomic theory is given below "Compou...
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- What will be the mass of one .^(12)C atom in g?
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- How many significant figures should b e present in the answer of the f...
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- What is the symbol for SI unit of mole? How is the mole defined?
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- Distinguish between molarity and molality.
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- Calculate the mass per cent of calcium, phosphorus and oxygen in calci...
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- 45.4L of dinitrogen reacted with 22.7L of dioxygen and 45.4 L of nitro...
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- If two elements can combine to form more than one compound, the masses...
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- Calculate the average atomic mass of hydrogen using the following data...
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- Hydrogen gas is prepared in the laboratory by reacting dilute HCl with...
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- The density of 3 molal solution of NaOH is 1.110g mL^(-1). Calculate t...
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- Volume of a solution chagnes with chagne in temperature, then what wil...
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- If 4 g of NaOH dissovles in 36g of H(2)O, calculate the mole fraction ...
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- The reactant which is entirely consumed in reaction is known as limiti...
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- Match the following.
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- Match the following physical quantities with units.
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- Assertion(A) The empirical mass of ethene is half of its molecular mas...
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- Assertion(A) One atomic mass unit is defined as one twelth of the mass...
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