An elements used in production of matches is
...An elements used in production of matches is
nitrogen
aluminum
copper
sulphur
Correct answer is D
Sulphur is an element that burns with a strongly explosive smell, as a result it is explosive smell
When cathode rays are deflected onto the electrode of an electrometer, the instrument becomes ...
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At 27°C, 58.5g of sodium chloride is present in 250cm3 of a solution. The solubility of sod...