Consider the following statements :
I. Diamond is bad conductor of electricity
II. Graphite is used for making electrodes of electric furnaces.
III.Solid carbon monoxide is known as dry ice.
IV. carbondioxide turns moist red litmus slightly bluish.
Which of the above statement is/are correct?


A) I and III

B) II and III

C) I and II

D) III and IV

Correct answer:
C) I and II



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