1.

Which amont the following statements are correct?

Answer»

AQUA dag and oil dag are made up of graphite
Graphite reacts with conc. `HNO_(3)` to form METALLIC acid `C_(6)(COOH)_(6)`
`C_(3)O_(2)` is also toxic like CO
Zircon, `ZrSiO_(4)` is a gemstone

Answer :A::B::D


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