What is the initial color of the pH indicator in a neutral solution?

Chemical Reactions and Indicators

Interactive Video
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Chemistry
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9th - 10th Grade
•
Hard

Patricia Brown
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Red
Blue
Green
Yellow
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What substance is added to the water to create a strong base?
Sodium chloride
Sodium hydroxide
Potassium nitrate
Calcium carbonate
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What color change indicates the presence of a strong base?
Blue to purple
Red to blue
Yellow to red
Green to yellow
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the chemical formula for sucrose used in the experiment?
C2H5OH
C6H12O6
C12H22O11
CH4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of reaction occurs when sulfuric acid is added to sugar?
Hydration
Dehydration
Combustion
Neutralization
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the initial color change observed when sulfuric acid is added to sugar?
Blue to green
Yellow to black
White to yellow
Red to blue
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What evidence indicates that the reaction is exothermic?
Color change
Gas evolution
Temperature increase
Solid formation
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