Indicators of Chemical Change
Chemistry ⇒ Chemical Reactions and Equations
Indicators of Chemical Change starts at 7 and continues till grade 12.
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See sample questions for grade 7
Describe two differences between a physical change and a chemical change.
Describe two indicators that a chemical change has occurred when cooking an egg.
Describe what is meant by the term 'indicator of chemical change'.
Explain why the change in color of leaves in autumn is considered a chemical change.
Describe two indicators that a chemical change has occurred when cooking an egg.
Explain why the change in color of leaves in autumn is considered a chemical change.
Explain why the fizzing of soda when opened is not a chemical change.
When a candle burns, which indicator of chemical change can be observed?
Which of the following is an example of a chemical change?
(1) Cutting vegetables
(2) Baking a cake
(3) Freezing water
(4) Mixing sand and salt
Which of the following is an example of a chemical change?
(1) Melting ice
(2) Burning wood
(3) Breaking glass
(4) Dissolving sugar in water
Which of the following is an example of a chemical change?
(1) Tearing paper
(2) Burning a match
(3) Freezing juice
(4) Crushing a can
Which of the following is an indicator of a chemical change?
(1) Change in shape
(2) Change in mass
(3) Change in odor
(4) Change in size
A white solid forms when two clear solutions are mixed. This solid is called a ________.
Fill in the blank: A change in ________ is often a sign that a chemical reaction has taken place.
Fill in the blank: The ________ of a gas during a reaction is an indicator of a chemical change.
Fill in the blank: The ________ of a new substance is a key indicator of a chemical change.
Is the change in color of litmus paper an indicator of a chemical change?
Is the dissolving of salt in water a chemical change?
Is the evolution of a gas always an indicator of a chemical change?
True or False: A change in temperature during a reaction can be an indicator of a chemical change.
