
Cellular Respiration Demo using Gummy Bears :)
Interactive Video
•
Biology, Chemistry, Science
•
University
•
Practice Problem
•
Hard
Wayground Content
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does potassium chlorate produce when it breaks down?
Magnesium sulfate and nitrogen
Sodium chloride and hydrogen
Potassium chloride and oxygen
Calcium carbonate and water
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What organic materials are mentioned as reacting with potassium chlorate?
Salt, vinegar, baking soda, flour
Water, oil, sand, clay
Metal, glass, plastic, rubber
Sugar, protein, leather, wood
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of using gummy bears or sharks in the experiment?
To observe the reaction with an organic material
To determine the boiling point of water
To measure the melting point of potassium chlorate
To test the solubility of potassium chloride
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is observed when potassium chlorate is melted?
It becomes a red powder
It turns into a blue gas
It dissolves in water
It changes from a white solid to a grayish liquid
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the white substance formed at the top during the reaction?
Potassium chloride
Magnesium oxide
Sodium bicarbonate
Calcium sulfate
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why was there soot observed in the experiment?
The potassium chlorate was impure
The reaction was too slow
The gummy shark was too small
There wasn't enough oxygen for complete combustion
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How could the reaction be improved according to the discussion?
By using smaller pieces of the organic material
By increasing the amount of potassium chlorate
By adding more water
By lowering the temperature
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