Question

Manganese dioxide
Give one word or a phrase for the following statements :
[5]
The energy released when an electron is added to a neutral gaseous
isolated atom to form a negatively charged ion.
Process of formation of ions from molecules which are not in ionic
state
The tendency of an element to form chains of identical atoms.
iv) The property by which certain hydrated salts, when left exposed to
atmosphere, lose their water of crystallization and crumble into
powder.
v) The process by which sulphide ore is concentrated.
Write a balanced chemical equation for each of the following:
[ E
1) Action of concentrated sulphuric acid on carbon.
ü) Reaction of sodium hydroxide solution with iron (III) chloride
solution.​

Answer 1

Answer:

the dimensional analysis helps to express the measured quantities in different systems of units and it is possible to INR to convert the results from one system to unit to another action of concentrated sulphuric acid on carbon reaction of sodium hydroxide solution with iron chloride solution