Question

Solution A turns universal indicator blue to purple whereas solution B turns universal indicator
orange to red.
a) What will be the action of solution A on litmus?
(b) What will be action of solution B on litmus?
c) Name any two substance which can give solution like A.
(d) Name any two substance which can give solution like B.

Answer 1

Answer:

(a) Solution A turns universal indicator blue to purple so it is basic in nature and will turn litmus blue.

(b) Solution B turns universal indicator orange to red so it is acidic in nature and will turn litmus red.

(c) Milk of magnesia and sodium hydroxide solution are bases like solution A.

(d) Lemon juice and hydrochloric acid are acids like solution A

Answer 2

Answer:

a) The solution A turns universal indicator blue to purple so it is basic in nature and will turn litmus blue.

b) Solution B turns universal indicator orange to red so it is acidic in nature and will turn litmus red.

c) Milk of Magnesia [Magnesium Hydroxide-Mg(OH)2] and Sodium Hydroxide solution (NaOH) give solution like A.

d) Lemon juice (C6H8O6) and Hydrochloric Acid (HCl) give solution like B.

Moreover, Neutralisation reaction takes place when solution A reacts with solution B.

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