Quiz on chapter2 (lesson 1,2)
Authored by Sara Al Gamal
Science
10th Grade
Used 1+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Which of the following process preserves the strategic stock of minerals and limits the environmental pollution?
Minerals excavation.
Chemical analysis of the ore
Recycling.
Purification from impurities.
2.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Which of the following energy forms contributes to the production of electricity in the hydroelectric power plants?
Mechanical.
light.
Nuclear.
Thermal.
3.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
A process through which the separation of impurities from the minerals occurs.
Mining.
Temporary storage.
purification of minerals.
depletion
4.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Which of the following represents the chemical formula of the hematite ore?
FeCO3
Fe3O4
FeO
Fe2O3
5.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Which of the following is considered an air pollutant and acts on reducing the iron ore in the blast furnace?
CO2
NO2
CO
SO3
6.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
The rain that its water reacts with sulfur oxides that are produced from burning fossil fuel in air.
Acid rain
Basic rain
rain
no correct answer
7.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
What is the effect of the increased thermal energy that produced from the generator on its efficiency?
Increases.
Decreases.
Not affected.
fluctuates.
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