Physical And Chemical Change Flashcards

1
Q

Physical change

A

The paste of matter may change but not it’s identity l, no new substance is formed

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2
Q

Chemical change

A

Formation of new substance. One type of matter is changed into something else

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3
Q

Law of conservation of mad

A

The total mass of a substance taking part in a chemical reaction is conserved during the reaction

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4
Q

Law of constant composition

A

All samples of a chemical compound will be made up of the same elements in the same proportion or ration

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