Which of the following is a chemical change?
A.
B.
C.
D.
Answer & Solution
Solution:
A chemical change is a change of materials to form into
another, different materials with different properties and one or more new
substances are formed. Rusting of iron is a chemical change because a new
substance iron oxide is formed. The presence of oxygen and water is essential
for rusting. Rusting of iron is a continuous process that slowly eats up the
iron objects and makes them useless.
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