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Cubical
Linear
Tetrahedral
Planar
The smog is essentially caused by the presence of
The strongest oxidizing agent among the following is
The substance coated on plastic tape recorder tapes is
The substance most commonly used as a food preservative is
The substance that cannot be used as an insecticide is
The substance that is added to make natural rubber strong & more bouncy is
The substance that is least prone to catch and spread fire is
The temperature of oxy-acetylene flame is around
The term meaning copper demon denotes the metallic element
The third shell of an atom can have a maximum of _ electrons.