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What is thermometry ?

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Write the use of Bunson Burner?

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Can you determine the mass of moon?

asked Nov 19, 2018 in Physics by danish (1.0m points)

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Define matter and give details of different states of matter?

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Differentiate between Rutherford atomic theory and Bohr's atomic theory?

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Describe the application of biotechnology in agriculture?

asked Nov 23, 2018 in Science by danish (1.0m points)

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Why electronegativity Decreases in groups?

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Define effusion and give example.

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Why a dipole develops in a molecule explain.

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Define latent heat of fusion with an experiment?

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Write any four properties of cathode rays?

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Define relative atomic mass of an element

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What is absolute zero, give its value?

asked Nov 22, 2018 in Chemistry by danish (1.0m points)

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Enlist some application of thermal expansion?

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Define shielding effect and electronegativity. Describe the trends of both in periodic table?

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Explain the types of covalent bond with at least one example of each type.

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Why is the latent heat of vaporization much larger than the latent heat of fusion?

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Define nuclear fission reaction.

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Define atomic radius. How atomic radii vary in the periodic table?

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What is group?

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