Sodium hydroxide turns blue litmus red.

True

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False

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Solution

The correct option is B False
$False$
Sodium hydroxide is a base.
The base turns red litmus into blue. Thus Sodium hydroxide turns red litmus into blue.

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Similar questions

Q. P and Q are aqueous solutions of sodium chloride and sodium hydroxide, respectively. Which of these will turn:
(a) blue litmus red?
(b) red litmus blue?

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)

A student prepared 20% sodium hydroxide solution in a beaker to study saponification reaction. Some observations related to this are given below:

(I) Sodium hydroxide solution turns red litmus blue
(II) Sodium hydroxide readily dissolves in water
(III) The beaker containing solution appears cold when touched from outside
(IV) The blue litmus paper turns red when dipped into the solution

The correct observations are :

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

(ii) Sodium hydroxide turns blue litmus red.

Q. What do we observe on pouring acetic acid on red blue litmus papers ?
(a) Red litmus remains red and blue litmus turns red.
(b) Red litmus turns blue and blue litmus remains blue.
(c) Red litmus turns blue and blue litmus turns red.
(d) Red litmus becomes colourless and blue litmus remains blue.

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Sodium hydroxide turns blue litmus red.

The correct option is B FalseFalseSodium hydroxide is a base.The base turns red litmus into blue. Thus Sodium hydroxide turns red litmus into blue.

The correct option is B False
$False$
Sodium hydroxide is a base.
The base turns red litmus into blue. Thus Sodium hydroxide turns red litmus into blue.