This is a timed quiz. You will be given 120 seconds to answer all questions. Are you ready?
120
For safety, the fuse wire used in the mains for household supply of electricity must be made of metal having?
Correct!
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Chlorophyll is a naturally occurring chelate compound in which central metal is?
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The variety of coal in which the deposit contains recognizable traces of the original plant material is?
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Quartz crystals normally used in quartz clocks etc. is chemically ?
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The average salinity of sea water is?
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Wrong!
The element of an electric stove made ?
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Wrong!
The gases used in different types of welding would include?
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Wrong!
For galvanizing iron which of the following metals is used?
Correct!
Wrong!
Science Quiz 138
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