Question 17 : Diamond behaves as an insulator because------
It is used as an jewelry
It is made of carbon
It is a solid
It does not have mobile electrons
Question 18 : Which of these elements of group IV can form compounds easily in +2 oxidation state
C
Pb
Ge
Si
Question 19 : Which of these is not a component of lead-acid battery?
spongy lead
lead chloride
tetrehydrooxsulphate(VI) aci
lead oxide
1
Expert's answer
2017-03-14T02:46:05-0400
It does not have mobile electrons Pb lead chloride
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