kameshathomas32 kameshathomas32

31-03-2017
Chemistry

contestada

Which statement describes a physical change?
A.
Sodium metal reacts explosively with oxygen.
B.
Lead is heated and becomes more viscous.
C.
Calcium is added to acid and hydrogen gas is produced.
D.
Iron combines with oxygen to form rust.

Respuesta :

sbcardinals sbcardinals

31-03-2017

B.
Lead is heated and becomes more viscous.

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belabaena belabaena

23-10-2018

The correct answer is B- Lead is heat and become more viscous.

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