Platinum is a versatile catalyst for many processes in chemical industries. It is highly prone to be poisoned by the presence of_________________?

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Reaction of calcium carbide with water produces a gas, which is used_________________?

A. As an illuminant B. For metal cutting/welding C. Both A. & B. D. Neither A. nor B....

Carbon disulphide is mainly used in the production of______________________?

A. Viscose rayon B. Corundum C. Plasticiser for unsaturated polyester D. Paints...

The most reactive allotropic form of phosphorus is __________________ phosphorus?

A. Red B. Yellow C. Violet D. Black...

The most commonly used substance to speed up the sedimentation of sewage is___________________?

A. Lime B. Sulphuric acid C. Chlorine D. Sodium bisulphite...

Esterification reaction produces _________________?

A. Detergent B. Vanaspati C. Soap D. Mercaptans...