Give one word or a phrase for the following statement: The process by which sulphide ore is concentrated.

Give one word or a phrase for the following statement: The energy released when an electron is added to a neutral gaseous isolated atom to form a negatively charged ion.

Give one word or a phrase for the following statement: The energy released when an electron is added to a neutral gaseous isolated atom to form a negatively charged ion.

Give one word or a phrase for the following statement : The tendency of an element to form chains of identical atoms.

Give one word or a phrase for the following statement : Process of formation of ions from molecules which are not in ionic state.

Give one word or a phrase for the statement: The property by which certain hydrated salts when left exposed to the atmosphere, lose their water of crystallization & crumble into powder

Give one word or phrase for the following: Process which protects iron from rusting, it is coated with a thin layer of zinc.

Give one word or phrase for the following: Formation of ions from molecules.

Give one word or phrase for the following: Formation of ions from molecules.

The following question are related to Iron: Name the process by which iron ore is concentrated.

Which of the following set of elements mostly occur as sulphide ores.