Roasting -2 SO 2Complete the equation 2 ZnS -3 O 2 Roasting -A- Z n O2B- 2 ZnOC- ZnOD- Z n C l2

The correct option is B 2ZnOThe complete equation is 2ZnS +3O_2 2ZnO +2SO_2. This represents the process of roasting of suphide ores. Roasting is a process of ...

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Byju's Answer

Standard VIII

Chemistry

Uses of metals and nonmetals

Roasting +2 S...

Question

Complete the equation $2 Z n S + 3 O_{2} R o a s t i n g - ---- \to$ _______ $+ 2 S O_{2}$

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2ZnO

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ZnO

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Solution

The correct option is B 2ZnO
The complete equation is $2 Z n S + 3 O_{2} R o a s t i n g - ---- \to 2 Z n O + 2 S O_{2}$ . This represents the process of roasting of suphide ores. Roasting is a process of heating concentrated ore to a high temperature in excess of air. This is done so that the concentrated metal ore is converted to metal oxide.

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Similar questions

Q. Complete the reaction

Z n + O_{2} Δ - \to

________

Q. Find the number of following reactions which are involved in roasting process:
(i)

S_{8} + 8 O_{2} Δ - \to 8 S O_{2} ↑

(ii)

P_{4} + 5 O_{2} Δ - \to P_{4} O_{10} ↑

(iii)

4 A s + 3 O_{2} Δ - \to 2 A s_{2} O_{3} ↑

(iv)

2 Z n S + 3 O_{2} Δ - \to 2 Z n O + 2 S O_{2} ↑

(v)

Z n C O_{3} Δ - \to Z n O + C O_{2} ↑

Q. Match the column I with column II and mark the appropriate choice.

	Column I		Column II
(A)	Calcination	(i)	$C r_{2} + 2 A l \to 2 C r + A l_{2} O_{3}$
(B)	Roasting	(ii)	$F e C O_{3} \to F e O + C O_{2}$
(C)	Smelting	(iii)	$2 Z n S + 3 O_{2} \to Z n O + 2 S O_{2}$
(D)	Aluminothermy	(iv)	$P b O + C \to P b + C O$

Q. Write chemical equations for metallurgical processes to represent roasting of Galena

(P b S)

Z n + x H C l \to Z n C l_{2} + A

In above equation A and x are :

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Complete the equation 2ZnS+3O2Roasting−−−−−→_______ +2SO2

Complete the equation $2 Z n S + 3 O_{2} R o a s t i n g - ---- \to$ _______ $+ 2 S O_{2}$