MCQs: This is a silvery-white, lightweight metal, it is soft and malleable and is called
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MCQs: The most important use of Sulphur is in the manufacture of
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MCQs: Hydrogen, helium, carbon, nitrogen are examples of
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MCQs: Concrete is a mixture of cement, gravels and water, which is used for
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MCQs: One of the softest materials in a form of carbon that is primarily used as a lubricant is called
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MCQs: The most common source of carbon is
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MCQs: An element used as fuel, and will become the future overall fuel is known as
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MCQs: Hydrogen causes a balloon to lift up in
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MCQs: Elements that are sonorous or make a bell-like sound when struck, are called
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MCQs: The process by which water (and other liquids) change from a liquid state to a vapor or gas state is called
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MCQs: We breathe a gas. This gas is
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MCQs: The chemical symbol for Sulphur is
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MCQs: Gold is a good conductor of
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MCQs: Aluminum, Magnesium, copper, lead, gold are examples of
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MCQs: Out of the three, hydrogen possesses two spaces in a molecule of
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MCQs: A process in which a solid directly changes its state to gas without passing through liquid form is known as
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MCQs: Mixture can be separated, and the kind of separation method depends on the kind of
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MCQs: Brass is an alloy made up of copper and
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MCQs: The number of metallic elements in the periodic table is close to
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MCQs: A soft, ductile and malleable metal with high conductivity of heat and electricity is
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