Question

o Factory waste is neutralised before disposing it into the water
9. Three liquids are given to you. One is hydrochloric acid, another is
sodium hydroxide and third is a sugar solution. How will you identify
them? You have only turmeric indicator.
10. Blue litinus paper is dipped in a solution. It remains blue. What is the
nature of the solution? Explain.
11. Consider the following statements:
(a) Both acids and bases change colour of all indicators.
(b) If an indicator gives a colour change with an acid, it does not give a
change with a base.
(c) Ifan indicator changes colour with a base, it does not change colour
with an acid.
(d) Change of colour in an acid and and abe depend on the type of the indicator which of these statement are correct first all food second and third AC and fourth only
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Answer 1

MARK ME BRAINIST .......