Question

Consider the following statements.
(a) Both acids and bases change colour with all indicators. (b) If an indicator gives a colour change with an acid, it does not give a colour change with a base. (c) If an indicator gives a colour change with a base, it does not give a colour change with an acid. (d) The change in colour of an acid or base depends upon the type of indicator used.
Choose the correct statement(s)
(i) All four,( ii)(a) and (b) (iii) (b) and (c) (iv) Only (d) ​

Answer 1

Answer:

(a) Only (iv) All indicators do not change colour

with acids as well as bases, e.g. turmeric changes

its colour to pink with base but it remains yellow

with acid. Therefore, statement (i) is incorrect.

Answer 2

Answer:

hi sis

my name is angel

nice to meet you

Consider the following statements.

(a) Both acids and bases change colour with all indicators. (b) If an indicator gives a colour change with an acid, it does not give a colour change with a base. (c) If an indicator gives a colour change with a base, it does not give a colour change with an acid. (d) The change in colour of an acid or base depends upon the type of indicator used.

Choose the correct statement(s)

(i) All four,( ii)(a) and (b) (iii) (b) and (c) (iv) Only (d)