Group 3A & 4A Elements Quiz Online

Group 3A & 4A Elements concepts are essential to learning for every level in chemistry courses. Here, we have compiled many Group 3A & 4A Elements quizzes free for students of grades 11 and 12. We hope you will find this very useful for your regular exam preparations and entry tests at undergraduate levels, particularly for medical and engineering students (MDCAT, ECAT, NUST, NUMS, JEE, NEET).

INSTRUCTIONS:

1. Select the correct option after having confirmation in your mind.
2. Once you select one option, the system will not allow you to change.
3. After your selection, the system will automatically let you know about your answer right or wrong.
4. Use the Next Button to continue to take questions on this particular quiz. Every quiz has multiple questions on multiple pages.
5. On the last page, there will be the Finish Button instead of the Next Button.
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7. You should achieve 70% to pass on a particular quiz after attempting all questions in the quiz.
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Results

#1. Which electronic configuration corresponds to an element of group 3A?

1s2 2s2 2p3

1s2 2s2 2p3

1s2 2s2 2p6 3s2 3p6 4s2 3d1

1s2 2s2 2p6 3s2 3p6 4s2 3d1

1s2 2s2 2p6 3s2 3p1

1s2 2s2 2p6 3s2 3p1

1s2 2s2 2p4

1s2 2s2 2p4

#2. Tincal is a mineral of:

B

B

A1

A1

C

C

Si

Si

#3. In the network of silica (SiO2) each silicon atom is surrounded by _________ atoms of oxygen:

2

2

1

1

4

4

6

6

#4. Which one of the following is not a semiconductor?

Se

Se

Sn

Sn

Ge

Ge

Si

Si

#5. Orthoboric acid is 2.6% soluble in water at 40°C and ________at 107°C:

37%

37%

27%

27%

26%

26%

<2.6%

<2.6%

#6. The process of aluminium extraction is called:

Thermite process

Thermite process

Contact process

Contact process

Haber process

Haber process

Hall process

Hall process

#7. Because of its ability to combine with both oxygen and nitrogen aluminium metal is used:

As nitrometer

As nitrometer

To produce alloy

To produce alloy

To remove air bubbles from molten metal

To remove air bubbles from molten metal

As an insulator

As an insulator

#8. An aqueous solution of borax above 62°C gives crystals of:

Na2B4O7.10H2O

Na2B4O7.10H2O

Na2B4O7.5H2O

Na2B4O7.5H2O

Na2B4O7.4H2O

Na2B4O7.4H2O

Na2B4O7.2H2O

Na2B4O7.2H2O

#9. Silicon differ from silica by a group of:

OCH3

OCH3

O2

O2

CH3

CH3

3OH

3OH

#10. Which of the following is not a use of silicon?

Water repellent

Water repellent

Hydraulic brakes

Hydraulic brakes

Lubricants

Lubricants

Antifreeze

Antifreeze

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