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JAMB 2012 Chemistry Practice Test | UTME Questions & Answers

Creado por: juanbacan
Practice JAMB-style 2012 Chemistry questions with instant scoring and clear explanations. Prepare for UTME and boost your score today.Sin descripción disponible.
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Question 6

Which of the following are evidences for the particulate nature of matter?

I. Evaporation

II. Sublimation

III. Diffusion

IV. Brownian motion

A)

I and III only

B)

II and IV only

C)

I, II and III only

D)

I, II, III and IV

How to solve?

Question 7

If the elements X and Y have atomic numbers 11 and 17 respectively, what type of bond can they form?

A)

Dative

B)

Covalent

C)

Ionic

D)

Metallic

How to solve?

Question 8

A hydrogen atom which has lost an electron contains

A)

one proton only

B)

one neutron only

C)

one proton and one neutron

D)

one proton, one electron and one neutron

How to solve?

Question 9

The electronic configuration of Mg2+ is

A)

1s² 2s² 2p6 3s² 3p²

B)

1s² 2s² 2p6 3s²

C)

1s² 2s² 2p6

D)

1s² 2s² 2p4

How to solve?

Question 10

Group VII elements are

A)

monoatomic

B)

good oxidizing agents

C)

highly electropositive

D)

electron donors

How to solve?

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