Indicators
Authored by Jo Tan
Science
7th Grade
NGSS covered
Used 72+ times
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is an indicator?
A substance that changes colour in acid or alkali.
A substance that produces hydrogen gas when reacted with acids.
A substance that is neutral.
A substance that is always red in colour.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An indicator will ______________ when it is in contact with an acid or base
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Examine the results (color change) of the pH paper shown in the picture. What type of substance was tested?
an acid
an alkali
a neutral substance
none of the above
Tags
NGSS.MS-PS1-2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The pH scale tells how acidic or basic a substance is. The scale goes from _____ to _______
1-10
0-14
1-14
1-100
5.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
When the cabbage juice indicator comes into contact with acid, the colour changes from (a) .
6.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
When the cabbage juice indicator comes into contact with the cleaning spray, it changes colour from (a) .
Tags
NGSS.MS-PS1-2
7.
OPEN ENDED QUESTION
2 mins • Ungraded
Bonus for anyone who can point out what was wrong with the way I described the changes in colour!
Evaluate responses using AI:
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Tags
NGSS.MS-PS1-2
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