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Physical Vs. Chemical Change HW

Last updated about 7 years ago
12 questions
Note from the author:
Physical Vs. Chemical Change compare contrast
1

Chemical Changes involve:

1

Physical changes involve:

1

Is dissolving a physical or chemical change?

1

Is reactions a chemical or physical change?

1

Is slicing something in half a physical or chemical change?

1

Water in liquid form heating to form water in steam form - is that a physical or chemical change?

1

When a chemical breaks into two new chemicals is that a Physical or Chemical change?

1

4 Fe + 3 O2 ----> 2 Fe2O3

1

Solid water turning into liquid water

1

HCl + CaCO3 -----> HCO3 +CaCl (acid/liq.) + (base) (gas) (salt/solid)

1

Watch this video. what do you think:
physical or chemical change?

1

Watch this video. is digestion by a fungus a chemical or physical change?