Carbon and its Allotropes (Diamond)

Carbon and its Allotropes (Diamond)

8th Grade - Professional Development

12 Qs

quiz-placeholder

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Carbon and its Allotropes (Diamond)

Carbon and its Allotropes (Diamond)

Assessment

Quiz

Chemistry

8th Grade - Professional Development

Hard

Created by

Poke CharGren

Used 15+ times

FREE Resource

12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of Allotropic Modifications of Carbon does Diamond lie in ?

Amorphous Carbon

Crystalline Carbon

Sulphur

Phosphorus

2.

FILL IN THE BLANK QUESTION

1 min • 1 pt

What type of structure does a Diamond have ?

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many free electrons does a diamond have

1

3

None

4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A Diamond is neither a _________ of electricity nor heat.

Insulator

Semiconductor

Semipermeable

Conductor

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Select the incorrect option(s) which are the uses of Diamonds.

Used in nuclear reactors as moderators

Manufacture of refractory crucible

Manufacture of thin tungsten wires

None of the above

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What residue is formed when Diamond is heated above 700C-800C with the presence of oxygen ?

Graphite

No residue

Carbon Dioxide

Carbonado

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Why does a Diamond sparkles ?

The light that exits the crystals undergoes repeated reflections within the crystal before it emerges. Therefore light is reflected which lends a sparkle to the Diamond.

The light that exists the Diamond undergrows repeated reflections within the crystal before it emerges. Therefore light is traped and lends a sparkle to the Dimond.

The light that enters the crystals undergoes repeated reflections within the crystal before it emerges. Therefore light is trapped and lends a sparkle to the Diamond.

The light that enters the Diamond undergoes vigorous reflections within the crystal before it appears. Therefore light is escaped and lends a sparkle to the Diamond.

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