Flame Test
Chemistry
9th Grade
NGSS covered
Used 288+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is the color of the light that sodium compounds give off?
Green
Red
Violet
Yellow-orange
Tags
NGSS.HS-PS4-3
NGSS.HS-PS4-1
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Why do you think are there different colors emitted?
Because of the absorption of heat from the flame
Because heat is released
Because of the absorption of light
Tags
NGSS.HS-PS4-3
NGSS.HS-PS1-2
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is the state when electrons move to a higher energy level upon absorption of energy?
active
inactive
excited
ground
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What compound gives off bright red color when heated over a flame?
Lithium
Calcium
Strontium
Potassium
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What particles in the heated compounds are responsible for the production of the colored light?
proton
neutron
electron
proton and neutron
Tags
NGSS.HS-PS4-3
NGSS.HS-PS1-2
NGSS.HS-PS4-4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the color of the light that calcium compounds give off?
Yellow
Orange
Blue-green
Purple
Tags
NGSS.HS-PS4-3
NGSS.HS-PS1-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the color of the light that potassium compounds give off?
Yellow-orange
Purple
Pinkish red
Green
Tags
NGSS.HS-PS4-3
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