Which of the following is an example of a physical change?
A. A matchstick changes color when it burns.
B. Bubbles form when vinegar and baking soda are mixed.
O C. A solid forms when two clear liquids are mixed.
D. A piece of steel bends when it is pounded with a hammer.
SUBMIT
Answers: 2
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Describe the forces both attractive and repulsive that occur as two atoms move closer together.
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Me soon im confused much mass would a mole of hydrogen molecules contain? recall that hydrogen is diatomic. g/mol
Answers: 1
Which of the following is an example of a physical change?
A. A matchstick changes color when it bu...
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