Diamonds and Carbon

Quiz
•
Chemistry
•
8th Grade - Professional Development
•
Hard
Standards-aligned
Charles Martinez
Used 1+ 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.
Tags
NGSS.HS-PS4-5
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