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Question
Chemistry
Al2O3 formation involves evolution of a large quantity of heat which makes its use in
Q.
A
l
2
O
3
formation involves evolution of a large quantity of heat which makes its use in
1550
189
The p-Block Elements
Report Error
A
deoxidiser
12%
B
confectionary
17%
C
indoor photography
21%
D
thermite welding
50%
Solution:
For example,
C
r
2
O
3
+
2
A
l
→
A
l
2
O
3
+
2
C
r
involves
A
l
2
O
3
formation and large amount of heat is evolved