Properties of substances W,X,Y And Z are listed below.
W : A liquid metal
X: A liquid non-metal
Y: Gseous non -metal
Z- A non-metal which conducts electricity
iron,iodine,hydrogen and oxygen
Gold,sulphur,chlorine and hydrogen
copper,phosphorous,nitrogen and carbon
mercury,bromine,oxygen,and graphite
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mercury, bromine, oxygen and graphite
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