Which statement describes a physical change?
a.
sodium metal reacts explosively with ox...
Chemistry, 14.10.2019 12:30, kayla114035
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.
Answers: 2
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