a) a non metal combines wirh oxygen to form two gaes A and B . whereas A is poisonous but combustible while B is not poisonous but extinguishers fire. the non metal also exists in two allotropic forms C and D . whereas C is a good conductor and D is a bad conductor of electricity . name the non metal and identify A,B,C and D
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non metal is Carbon.
A=CO
B=CO2
C=graphite
D=diamond
A=CO
B=CO2
C=graphite
D=diamond
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