Y8 - topic 2 - lesson 4: Signs of a chemical reaction
Authored by C Spinks
Chemistry
7th - 8th Grade
Used 7+ times
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a sign of chemical reaction?
Fizzing (effervescence)
Colour change
Change in temperature
Melting
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a sign of chemical reaction?
Appearance or disappearance of solids
Colour change
Evaporation
Absorption or release of energy
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following IS a sign of chemical reaction?
Appearance or disappearance of solids
Melting
Evaporation
Dissolving
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following IS a sign of chemical reaction?
Change in temperature
Freezing
Evaporation
Sublimation
5.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
The 5 signs of a chemical reaction are: (a) , colour changes, changes in temperature, absorption or release of light and the appearance or disappearance of solids.
6.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
The 5 signs of a chemical reaction are: fizzing (effervescence), (a) changes, changes in smell, absorption or release of energy (which includes temperature changes) and the appearance or disappearance of solids.
7.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
The 5 signs of a chemical reaction are: fizzing, colour changes, changes in (a) , absorption or release of energy and the appearance or disappearance of solids.
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