Vinegar is a solution of

How is ethene prepared from ethanol? Give the reaction involved in it.

Which of the following is used in conveyor belts?

What is the molecular formula of ethanoic acid (acetic acid)?

Write true or false for the following statement:
Two pairs of electrons are shared between two nitrogen atoms to form a nitrogen molecule.

Why should we prefer vegetable oils over animal fats for cooking food? Give a balanced chemical equation for the reaction for hydrogenation of vegetable oils. Name the catalysts in this reaction.