
Water & Solution
Quiz
•
Science, Chemistry
•
8th Grade
•
Practice Problem
•
Medium
Anne Joseph
Used 78+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Below are not the characteristics of water EXCEPT
sweet taste
boiling point of 70℃
3 atoms of hydrogen and 5 atoms of oxygen
exists in solid, liquid & gas
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What type of force does a mercury possess in a thermometer?
Cohesive force
Adhesive force
Newton's First Law
Convex law
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is the chemical formula for water?
H2O
NaSO4
CuSO4
NaCl
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
How many atoms of oxygen and hydrogen are present in water?
3 atoms of hydrogen, 2 atoms of oxygen
4 atoms of hydrogen, 5 atom of oxygen
2 atoms of hydrogen, 2 atoms of oxygen
1 atom of oxygen, 2 atoms of hydrogen
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
In a water electrolysis, which electrode does the oxygen attach itself to? And why?
To the cathode because it is positively charged
To the cathode because it is negatively charged
To the anode because it is positively charged
To the anode because it is negatively charged
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
How do we know that the gas collected from the water electrolysis experiment is either oxygen or hydrogen?
By using limewater test
By conducting a litmus paper test and to see it changed it to blue or red
By using the glowing wooden splinter test
By inhaling the gas and to hear your voice whether it is higher or lower than its normal tone
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Due to impurities in the water, it affects its duration time for the water to reach its boiling point.
True
False
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