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NTSE Stage 2 SAT 2019 Exam Question Paper
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© examsnet.com
Question : 83
Total: 100
Match chemical reactions given in the List I with the type of chemical reactions given in List II and select the correct answer using the options given below:
List I
(Chemical reactions)
List II
(Type of Chemical reactions)
A. Formation of
N
H
3
from
N
2
and
H
2
I. Decomposition
B. Calcination of zinc carbonate.
II. Double displacement
C. Reaction of aqueous
B
a
C
l
2
solution with dilute
H
2
S
O
4
III. Combination
D. Rancidity of oils
IV. Redox
V. Displacement
A-I, B-V, C-III, D-IV
A-III, B-IV, C-V, D-I
A-IV,B-III,C-V,D-I
A-III, B-I, C-II, D-IV
Validate
Solution:
List-I
Chemical reactions)
List-II
(Type of chemical reactions)
A. Formation of
N
H
3
from
N
2
and
H
2
(
N
2
+
3
H
2
⇌
2
N
H
3
)
III. Combination
(The reaction in which two or more compounds/elements combine to form single compound)
B. Calcination of zinc carbonate
(
Z
n
C
O
3
Δ
→
n
O
+
C
O
2
)
I. Decomposition
(The reaction in which a single chemical compound splits into its two or more elemental parts.)
C. Reaction of aqueous
B
a
C
l
2
solution with dilute
H
2
S
O
4
(
B
a
C
l
2
+
H
2
S
O
4
→
B
a
S
O
4
+
2
H
C
l
)
II. Double Displacement
(The reaction in which two compounds reacts and cation and anion of the two reactants switch places forming two new products.)
D. Rancidity of oils
IV. Redox
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