Question

write the difference between :-
Roasting and calcination, ore and
minerals, soaps and detergent, medeleev
periodic table and long forms of
periodic table​

Answer 1

Answer:

roasting the process in which sulphur ore is converted into its oxide in the presence of oxygen it is called roasting

Explanation:

ex 2zns +3o2=2zno+ 2so2

calcination the process in which carbonate ore is converted into its oxide in the absence of oxygen is called calcination

example caco3=Cao + co2