Tardigrade
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Tardigrade
Question
Chemistry
Study the following reactions and mark the correct properties shown by water. (i) SO3 + H2O → H2SO4 (ii) Cl2O7 + H2O → 2HClO4 (iii) CaO + H2O → Ca(OH)2 (iv) Na2O + H2O —→ 2NaOH
Q. Study the following reactions and mark the correct properties shown by water.
(i)
S
O
3
+
H
2
O
→
H
2
S
O
4
(ii)
C
l
2
O
7
+
H
2
O
→
2
H
Cl
O
4
(iii)
C
a
O
+
H
2
O
→
C
a
(
O
H
)
2
(iv)
N
a
2
O
+
H
2
O
—
→
2
N
a
O
H
1508
243
Hydrogen
Report Error
A
All oxides react with water to give hydroxides
10%
B
Acidic oxides are formed by metals and basic oxides by non-metals
29%
C
Non-metal oxides combine with water to form acids while metallic oxides combine with water to form alkalies
48%
D
Acidic oxides are stronger than basic oxides since they form strong acids
14%
Solution:
Acidic oxides form acids while basic oxides form alkalies with water.