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