Ncert solutions

Ncert solutions

Grade 7

Acids, Bases and Salts | Exercise

Question 11

Q11) 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) If an indicator changes colour with a base, it does not change colour

with an acid.

(d) Change of colour in an acid and a base depends on the type of the

indicator.

Which of these statements are correct?

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

Solution 11: Ans. (iv)only d

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subject-cta

Question 11

Q11) 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) If an indicator changes colour with a base, it does not change colour

with an acid.

(d) Change of colour in an acid and a base depends on the type of the

indicator.

Which of these statements are correct?

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

Solution 11: Ans. (iv)only d

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Book a free class now

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subject-cta
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