Social Science
Refer To The Image ⇒
Answers
Answer:
are
or
Many perceivable observations
noticed during the above activity. A gas is
seen to be liberating in the form of bubbles.
A low sound is heard. The white solid
particles of the baking soda disappear. The
original sour taste becomes mild
diminishes. From this, it is understood that a
new substance having a different taste is
formed. At the end of the above change, the
taste of the substance was different means its
composition was different. Thus, during the
above change, the composition of the original
substance changed to form a new substance
with different properties. Thus, the change
that takes place on adding baking soda to
lemon juice is a chemical change. Sometimes
some characteristic observations are
perceived during a chemical change. These
enable us to know that a chemical change
has taken place. Some of these observations
are enlisted in the table