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ICSE-SOME BASIC CONCEPTS OF CHEMISTRY -VERY SHORT ANSWER TYPE QUESTIONS
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- What are the units of acceleration, density and pressure in SI system?
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- How many significant figures the following numbers possess? (i) 3.60...
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- State Law of reciprocal proportions.
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- What is the unit of rate of chemical reaction ?
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- State Avogadro's hypothesis.
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- Which of the following molecules are homoatomic ? (i) H(2)O, (ii) O(...
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- What is meant by amu ?
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- Define the term mole.
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- What is the relationship between the atomic mass and actual mass of on...
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- An atom is 40.08 times as heavier as 1/12 mass of an atom of Cl2. What...
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- Name a compound whose empirical formula and molecular formula are equa...
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- How many gram atoms and gram molecules are present in 64.0 g of oxygen...
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- How many Ca^(2+) and Cl^(-) ions are present in one mole of CaCl2?
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- Is the following equation balanced ? C(2)H(5)OH + 2O(2) to 2CO(2) + ...
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- Define the term molarity.
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- What is the value of Avogadro's Number ?
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- What is the difference between the empirical formula and molecular for...
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- Why are atomic masses regarded as relative masses?
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