D and F Block Elements Test

Result

D and F Block Elements Test - 17

Score
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Weekly Quiz Competition

Question 1
4 / -1

The magnetic moment of Cu²⁺ ion is

A
2.73

B
zero

C
1.93

D
1.73
Question 2
4 / -1

The magnetic moment of a transition metal ion is 3.87 BM. The number of unpaired electrons present in it is

A
2

B
3

C
4

D
5
Question 3
4 / -1

Monel metal is an alloy of

A
Cu, Ni, Fe, Mn

B
Cu, Sn, Zn

C
Cu, Sn, P

D
Cu, Zn
Question 4
4 / -1

Which metal gives hydrogen gas on heating with hot concentrated alkali ?

A
Ag

B
Ni

C
Zn

D
Cu

Solution
Question 5
4 / -1

Which of the following is used as purgative?

A
HgS

B
Hg₂Cl₂

C
HgCl₂

D
ZnSO₄
Question 6
4 / -1

Gun metal is

A
Cu + Zn

B
Cu + Sn + Zn

C
Cu + Sn

D
Zn + Sn
Question 7
4 / -1

KI and CuSO₄ solutions on mixing produce

A
Cu₂I₂ + K₂ SO₄

B
Cu₂I₂ + I₂ + K₂SO₄

C
CuI₂ + K₂ SO₄

D
CuI₂ + I₂ +K₂ SO₄
Question 8
4 / -1

Which do not decolourise KMnO₄ aqueous solution?

A

B

C

D

Solution
Question 9
4 / -1

Bronze is a mixture of

A
Pb + Sn

B
Cu + Sn

C
Cu + Zn

D
Pb + Zn
Question 10
4 / -1

In photography we use

A
AgI

B
NH₃

C
AgCl

D
AgBr