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Tearing paper into pieces is an example of what kind of change?
a physical change
a purely physical change because it will change state
only nuclear changes
a metal railing rusting in damp weather
cooking a steak
A rotting potato gives off a bad smell.
Vinegar bubbles when baking soda is added.
physical changes and chemical changes
A beaker containing ice and water is placed on a warm hotplate. What type of change would you expect the ice to undergo?
a physical change
a purely physical change because it will change state
only nuclear changes
a metal railing rusting in damp weather
cooking a steak
A rotting potato gives off a bad smell.
Vinegar bubbles when baking soda is added.
physical changes and chemical changes
Which of the following types of changes does not observe the law of conservation of mass?
a physical change
a purely physical change because it will change state
only nuclear changes
a metal railing rusting in damp weather
cooking a steak
A rotting potato gives off a bad smell.
Vinegar bubbles when baking soda is added.
physical changes and chemical changes
Which observation is a sign of a chemical change?
a physical change
a purely physical change because it will change state
only nuclear changes
a metal railing rusting in damp weather
cooking a steak
A rotting potato gives off a bad smell.
Vinegar bubbles when baking soda is added.
physical changes and chemical changes
Which types of changes observe the law of conservation of mass?
a physical change
a purely physical change because it will change state
only nuclear changes
a metal railing rusting in damp weather
cooking a steak
A rotting potato gives off a bad smell.
Vinegar bubbles when baking soda is added.
physical changes and chemical changes
There are several differences between chemical and purely physical changes. Which process is an example of a chemical change?
a physical change
a purely physical change because it will change state
only nuclear changes
a metal railing rusting in damp weather
cooking a steak
A rotting potato gives off a bad smell.
Vinegar bubbles when baking soda is added.
physical changes and chemical changes
Chemical changes result in new substances with new physical properties. Purely physical changes do not result in new substances. Which process is an example of a chemical change?
a physical change
a purely physical change because it will change state
only nuclear changes
a metal railing rusting in damp weather
cooking a steak
A rotting potato gives off a bad smell.
Vinegar bubbles when baking soda is added.
physical changes and chemical changes
Which process represents a chemical change?
a physical change
a purely physical change because it will change state
only nuclear changes
a metal railing rusting in damp weather
cooking a steak
A rotting potato gives off a bad smell.
Vinegar bubbles when baking soda is added.
physical changes and chemical changes
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