Catalyst used in hydrogenation of vegetable oil into vanaspati ghee is

Consider the following statements: 1. Concentrated H₂SO₄ is used as a dehydrating agent in esterification reaction. 2. The hydrophilic part of soap is oil and it dissolves in water. 3. Nickel is used…

The chemical reaction K2​SO4​(aq.)+BaCl2​(aq.)→2KCl(aq.)+BaSO4​(solid) is an example of:

With reference to 'Silver articles', which of the following statements is/are correct? 1. Silver articles turn black after some time when exposed to air. 2. It happens due to coating of silver sulphi…

Which of the folowing pairs will give displacement reactions ?

Which of the following are the constituents of a soda acid fire extinguisher?