Question

what is the name of chemical process in which Ore is heated in the absence of air​

Answer 1

Answer:

calcination is the process

Answer 2

Calcination is the name of chemical process in which Ore is heated in the absence of air​

Explanation:

• The process in which the ore is heated below its melting point without the presence of air refers to the process called calcination.
• The ores that are heated in the absence of air are hydroxide and carbonate ores.
• It is the thermal treatment that is applied to the solid materials and ores for making them decompose thermally and this process is carried out in the absence of air.
• The main purpose of this calcination process is to make ores to be porous.
• the decomposition of Zinc carbonate gives the result of carbon dioxide and zinc oxide.
• Roasting involves heating of ores in the presence of air.

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What is calcination?

https://brainly.in/question/8838118

Which of the following reactions represents calcination?

(a) 2Ag + 2HCl + [O] \rightarrow 2AgCl + H_2O

(b) 2Zn + O_2 \rightarrow 2ZnO

(c) 2ZnS + 3O_2 \rightarrow 2ZnO + 2SO_2

(d) MgCO_3 \rightarrow MgO + CO_2