Physical And Chemical Changes Question Preview (ID: 34099)


Reviews Physical And Chemical Changes By Giving Example-based Questions. TEACHERS: click here for quick copy question ID numbers.

Is boiling water a chemical change or a physical change?
a) Physical change
b) Chemical change
c) Neither
d) Both

Is lighting a firework considered a physical or chemical change?
a) Physical
b) Chemical
c) Neither
d) Both

One of the ways you can identify a physical change is:
a) An explosion
b) Fizzing or bubbling
c) A change in state of matter
d) A sudden, unexpected color change

When food is digested in your stomach, is that a chemical or physical change?
a) Chemical
b) Physical
c) Don't ask me, I am just a student here
d) When's lunch?

When food is chopped by a knife in the kitchen, is that considered a physical or chemical change?
a) Chemical
b) Physical
c) Neither
d) Both

Which one is NOT a sign of a physical change?
a) Change in size or mass of the object
b) Sudden color change of the object
c) Change of state of matter
d) Change in shape of the object

When a solid, new substance is formed from two liquid substances, what is that called?
a) Prenotation
b) Precipitate
c) Premonition
d) Presubjection

What is one nonexample of a chemical reaction?
a) baking a cake
b) putting metal in acid
c) mixing vinegar and baking soda
d) None, all of the above are chemical reactions

Which of the below is not evidence of a chemical reaction?
a) Cutting a metal chain
b) Formation of a precipitate
c) Formation of a new substance
d) a temperature change

Is a temperature change ALWAYS an indicator of a chemical change?
a) Yes!
b) No, not always
c) Depends on whether it gets hot or cold
d) None of the above

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