Question

Answer any 5 (Five) questions from the 9. no. 46 to 53 (8 questions) within the limit of
90 to 120 words as directed : [4 marks each]
5. Explain the reaction of sodium carbonate with hydrochloric acid by drawing the
20
dagram.
of
ОН
in
pyeryday life
for
the
following​

Answer 1

Explanation:

The Olympic flag has a white background, with five interlaced rings in the centre: blue, yellow, black, green and red. This design is symbolic; it represents the five continents of the world, united by Olympism, while the six colours are those that appear on all the national flags of the world at the present time.”

Answer 2

Answer:

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