Amalgams are:
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Which of the following is the lightest metal?
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Which of the following metals remain in liquid for under normal conditions?
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Potassium Permanganate is used for purifying drinking water, because
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Which of the following is an element?
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What is the unit for measuring the amplitude of a sound?
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Reading of a barometer going down is an indication of
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Decibel is the unit for
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One fathom is equal to
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Fathom is the unit of
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Light year is a measurement of
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Very small time intervals are accurately measured by
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One kilometer is equal to how many miles?
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Kilohertz is a unit which measures
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One horse power is equal to
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'Bar' is the unit of
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One Joule is equal to
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Kilowatt is a unit to measure:
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Electric current is measured by:
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A chronometer measures:
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