First slide
Synthetic rubber
Question

Statement-I : Urea formaldehyde resin is used in the manufacture of unbreakable crockery

Statement-II : Neoprene is resistant to the action vegetable and mineral oils.

Moderate
Solution

I) Melamine formaldehyde resin is used in the manufacture of unbreakable crockery

II) Neoprene is resistant to vegetable and mineral oils, Buna-N is resistant to petrol, lubricating oils and organic solvents.

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