We can distinguish salt solution from vinegar by all the following methods EXCEPT?
b) by observing their actions on litmus paper
c) by shining a beam of light through them
d) by observing their actions on calcium carbonate
Answer:
C
vinegar is sour (acidic)
will turn blue litmus paper into red
Will react with CaCO3 (Calcium carbonate)
c.
c.
(a - salty taste vs. vinegar)
(b - vinegar is dilute actic acid so litmus will go red)
(d - vinegar will fizz with calcium carbonate)
c
c) by shining a beam of light through them
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