hat do we get buy churning curd?
9) What happens when an iron rod is heated
1.0) Are all the physical changes reversible?
Answers
Explanation:
hat do we get buy churning curd? - BUTTER
9) What happens when an iron rod is heated?
ANSWER :- The iron atoms move more slowly after they are heated. The iron atoms move more quickly after they are heated. The iron atoms were moving before they were heated, and they continue to move at the same speed after being heated.
1.0) Are all the physical changes reversible?
ANSWER :- Physical changes can further be classified as reversible or irreversible. Physical changes that involve a change of state are all reversible. Other changes of state include vaporization (liquid to gas),freezing (liquid to solid), and condensation (gas to liquid). Dissolving is also a reversible physical change.
Answer:
As the temperature of iron rod increases and the iron atoms make the rod move more quickly. The iron atoms move more slowly after they are heated. The iron atoms move more quickly after they are heated.