The figure below se prensents the
experiment carried out between conce
sulphuric acid and sodium Choeide, which
reacts with each other to form hd gas
Jos
litmus
Papes
Delivery tube
Etest
tuba
conc Hasoy
Nalt
Blue litmus paper
tube mouth of
the presence
is obseeved in
is bought to the nege to the
the delive sy tube to check!
of HC acid but not Change
the colour of litmus papes? why
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Answer:
When a red litmus paper is immersed in a base or alkaline solution, the red litmus paper turns blue indicating the given solution as alkaline/base.
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