Question 6 (ii)
Mark ‘T’ if the statement is true and ‘F’ if it is false:

(ii) Sodium hydroxide turns blue litmus red.

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Solution

Acids turn blue litmus paper red and bases turn red litmus paper blue. Sodium hydroxide turns red litmus blue since it is a base. So, the given statement is false.

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Similar questions

Mark ‘T’ if the statement is true and ‘F’ if it is false:

(i) Nitric acid turns red litmus blue. (T/F)

(ii) Sodium hydroxide turns blue litmus red. (T/F)

(iii) Sodium hydroxide and hydrochloric acid neutralise each other and form salt and water. (T/F)

(iv) Indicator is a substance which shows different colours in acidic and basic solutions. (T/F)

(v) Tooth decay is caused by the presence of a base. (T/F)

Mark ‘T’ if the statement is true and ‘F’ if it is false

(i) Nitric acid turn red litmus blue. (T/F)

(ii) Sodium hydroxide turns blue litmus red. (T/F)

(iii) Sodium hydroxide and hydrochloric acid neutralize each other and form salt and water. (T/F)

(iv) Indicator is a substance which shows different colours in acidic and basic solutions. (T/F)

(v) Tooth decay is caused by the presence of a base. (T/F)

Question 6 (i)
Mark ‘T’ if the statement is true and ‘F’ if it is false:

(i) Nitric acid turn red litmus blue.

Q. Sodium hydroxide turns blue litmus red.

Question 10 (ii)
Mark ‘T’ if the statement is true and ‘F’ if it is false:
(ii) Plants which synthesise their food themselves are called saprotrophs.

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Question 6 (ii) Mark ‘T’ if the statement is true and ‘F’ if it is false: (ii) Sodium hydroxide turns blue litmus red.

Acids turn blue litmus paper red and bases turn red litmus paper blue. Sodium hydroxide turns red litmus blue since it is a base. So, the given statement is false.

Question 6 (ii)
Mark ‘T’ if the statement is true and ‘F’ if it is false:

(ii) Sodium hydroxide turns blue litmus red.