Give one word or a phase for the following statements :
The energy released when an electron is added to a neutral gaseous isolated atom to form a negatively charged iron.
This statement defines electron affinity or electron gain enthalpy.
Give one word or a phase for the following statements :
Process of formation of ions from molecules which are not in the ionic state.
Give one word or a phase for the following statements :
The tendency of an element to form chains of identical atoms.
Give one word or a phase for the following statements:
The property by which certain hydrated salts, when left exposed to the atmosphere, lose their water of crystallization and crumble into powder.
Give one word or a phase for the following statements:
The process by which sulphide ore is concentrated.
Write a balanced chemical equation for each of the following :
The action of concentrated sulphuric acid on carbon.
Write a balanced chemical equation for each of the following :
Reaction of sodium hydroxide solution with iron (III) chloride solution.
Write a balanced chemical equation for each of the following :
The action of heat on aluminium hydroxide.
Write a balanced chemical equation for each of the following :
A reaction of zinc with a potassium hydroxide solution.
Write a balanced chemical equation for each of the following :
The action of dilute hydrochloric acid on magnesium sulphite.