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Chemistry - Chemical Reactions and Equations

Avatto > > NTSE > > Practice Questions Ntse > > Chemistry > > Chemical Reactions and Equations

26. In which of the following solutions iron gets oxidized?

(a) Silver nitrate
(b) Zinc sulphate
(c) Magnesium sulphate
(d) Copper sulphate (NTSE Kerala, Stage-I, 2016-17)

A
(b) and (d)
B
(a) and (c)
C
(b) and (c)
D
(a) and (d)

Answer
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Option : D
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27. In the reaction, S0₂(g) + 2H₂S(g) → 2H₂0(L) + S(s) the reducing agent is (NTSE Jharkhand, Stage-I, 2016-17)

A
S0₂
B
H₂O
C
H₂S
D
S

Answer
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Option : C
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28. Methane on combustion gives (NTSE Jharkhand, Stage-I, 2016-17)

A
CO₂
B
H₂0
C
80th CO₂ and H₂0
D
Neither CO₂ nor H₂0

Answer
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Option : C
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29. Which of the following is not an example of single displacement reaction? (NTSE Jharkhand, Stage-I, 2016-17)

A
CuO + H₂ → Hp + Cu
B
Zn + CuS0₄→ZnS0₄ + Cu
C
4NH₃ + 50₂→ 4NO + 6H₂0
D
Zn + 2HCI→ ZnCI₂ + H₂

Answer
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Option : C
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30. Mg dissolves in hot water to form (NTSE Jharkhand, Stage-I, 2016-17)

A
MgO
B
Mg(OH)₂
C
MgOH
D
MgOMg(OH)₂

Answer
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Option : B
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Practice Questions Ntse

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