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Byju's Answer
Standard X
Chemistry
Roasting
2ZnSs + 3O2g ...
Question
2
Z
n
S
(
s
)
+
3
O
2
(
g
)
h
e
a
t
−
−
→
2
Z
n
O
(
s
)
+
2
S
O
2
(
g
)
is an example of which type of reaction?
A
Calcination
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B
Roasting
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C
Both A and B
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D
None of the above
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Solution
The correct option is
B
Roasting
2
Z
n
S
(
s
)
+
3
O
2
(
g
)
h
e
a
t
−
−
→
2
Z
n
P
(
g
)
+
2
S
O
2
(
g
)
.
Roasting is heating in presence of excess air.
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0
Similar questions
Q.
Consider two chemical reactions (A) and (B) that take place during metallurgical process :
(A)
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Δ
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(B)
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The reaction:
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Only men in the family are supposed to be the breadwinners. Which type of discrimination is the above statement an example of?
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The factor of
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k
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2
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+
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g
)
→
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Z
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The
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for the reaction,
2
Z
n
S
(
g
)
+
3
O
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(
g
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→
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Z
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g
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+
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g
)
will be :
Q.
A carbonated drink is an example of which type of solution?
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