What is the main purpose of Experiment 13.3?

Acid-Base Reactions and Indicators

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Chemistry
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6th - 8th Grade
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Hard

Patricia Brown
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To measure the boiling point of water
To test the strength of different acids
To create a new type of cleaning solution
To observe the effect of sodium bicarbonate on stomach acid
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which safety equipment is essential when handling muriatic acid?
Sunglasses and a hat
Eye protection and gloves
A lab coat and sandals
A mask and earplugs
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of using red cabbage in the experiment?
To act as a pH indicator
To neutralize the acid
To increase the temperature
To add flavor to the solution
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What color does the red cabbage solution turn when mixed with an acid?
Yellow
Pink
Blue
Green
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the pink color of the solution indicate?
A contaminated solution
A neutral solution
An acidic solution
A basic solution
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the expected result when sodium bicarbonate is added to the acid mixture?
The solution becomes clear
The solution remains pink
The solution turns red
The solution turns blue
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a blue color in the solution indicate?
An alkaline or basic substance
A neutral pH
The presence of an acid
A contaminated solution
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