Which of the following catalytic systems is used for the reduction of unsaturated hydrocarbon to saturated hydrocarbon?

Which of the following chemicals is used for ripening?

Which among the following statements is not correct with respect to allotropes of Carbon ?

Which of the following is also used as a lubricant?

Which of the following gases is used in cigarette lighters?

Which one of the following allotropes of carbon is isomorphous with crystalline silicon?