MCQs: Atoms of sodium and chlorine are stuck by chemical glue which is known as
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MCQs: A large amount of heat is produced in power plants when energy is released which turns
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MCQs: In nuclear power plants, energy is released
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MCQs: The symbol of "Boron" is
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MCQs: The symbol of "Helium" is
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MCQs: An atom is electrically
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MCQs: Large molecules such as polythene and polystyrene contains
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MCQs: The valency of 'zinc' is
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MCQs: John Dalton carried out his experiment about atom in
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MCQs: The isotope of uranium (Uranium-238) contains
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MCQs: As neutrons have electrical charge, they do not effect
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MCQs: The theory about atom was first put forward by a Greek philosopher
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MCQs: Electrons revolve around the nucleus as fast as
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MCQs: If hydrogen forms only one bond, then the valency of hydrogen is
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MCQs: The bond which comes to existence due to sharing of electrons is known as
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MCQs: The smallest particle of carbon dioxide consists of
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MCQs: The valency of magnesium is
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MCQs: The valency of carbon is
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MCQs: The valency of aluminum is
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MCQs: The negative ion is known as
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