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MCQs: Wolfram is a chemical name of an element called
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MCQs: Metals are good conductors of heat and electricity. They have high
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MCQs: Helium is considered to be the abundantly found gas, ranking in number
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MCQs: The name of element may differ in languages but it has same
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MCQs: Water' is a
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MCQs: Chemical name for iron is
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MCQs: If 1g of hydrogen is mixed with 8g of oxygen, the produced water will be
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MCQs: Ag' is the symbol of element
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MCQs: Solid 'carbon dioxide' crystals make
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MCQs: Gold, silver, copper and aluminum are
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MCQs: A chemical reaction can be explained and presented in the form of
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MCQs: Element which is non metal and is found on right side of periodic table is
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MCQs: The first most abundant element found in universe is
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MCQs: The number of natural elements is
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MCQs: Stars are made up of two most abundant elements in universe namely
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MCQs: In a periodic table, the row of elements is called
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MCQs: The total number of elements is
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MCQs: Sodium and chlorine react together to form
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MCQs: Fossil fuels are rich in carbon and
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MCQs: Thousands of mirrors or curved metals are used to focus solar energy to make it very hot, in
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