Q581
Open questionThe substance which does not expand on going from liquid state to solid state is
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Q582
Open questionGlycol is added to aviation gasoline because it
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Q583
Open questionWhich is the heaviest metal among the following?
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Q584
Open questionThe wire of flash bulbs is made up of
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Q585
Open questionWhich among the following is found in chlorophyll ?
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Q586
Open questionAmong the following the hardest metal is
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Q587
Open questionWhat material is used to make electric heater coil ?
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Q588
Open questionAmong the following, which is always found in free-state in nature?
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Q589
Open questionPhilosopher’s Wool is
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Q590
Open questionWhich of the following metals has least melting point ?
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Q591
Open questionWhich one is the most reactive gaseous element?
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Q592
Open questionWhich of the following metals occurs in free state ?
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Q593
Open questionThe “King of Metals” is :
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Q594
Open questionWhich of the following metals is used in Space Crafts to withstand high temperatures ?
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Q595
Open questionPhosphorus is kept in water because
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Q596
Open questionThe element which is used for vulcanizing rubber
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Q597
Open questionChemically ‘Quick Silver' is known as
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Q598
Open questionThe weight of 6.023 × 1023 atoms of carbon is
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Q599
Open questionIf there is one million Mg2+ ions in MgCl2, how many chloride ions are there?
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Q600
Open questionWhat is the mass percentage of carbon in carbon dioxide (CO2)?
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