What is the main focus of the experiment introduced in the video?

Fermentation Experiments and Observations

Interactive Video
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Biology, Science
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7th - 10th Grade
•
Hard

Emma Peterson
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Distillation
Fermentation
Photosynthesis
Evaporation
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT mentioned as a material used in the experiment?
Gula batu
Gula jawa
Gula pasir
Gula tebu
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of using a plastic cover in the experiment?
To measure temperature
To add color to the solution
To ensure airtight conditions for fermentation
To prevent evaporation
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of ragi in the experiment?
To change the color of the solution
To serve as a fermenting agent
To measure the pH level
To act as a sweetener
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What change indicates the presence of CO2 in the first experiment?
The solution becomes cloudy
The solution turns blue
The solution bubbles
The pink indicator becomes clear
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of the color change in the indicator during the experiment?
It confirms the production of CO2
It measures the sugar concentration
It indicates a temperature change
It shows the presence of oxygen
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main chemical reaction observed in the fermentation process?
Release of oxygen
Production of CO2
Formation of water
Absorption of nitrogen
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