Aqueous solution of which of the following salt will change the colour

1.	Aqueous solution of which of the following salt will change the colour of red litmus to blue?
A.	\[N{{a}_{2}}C{{O}_{3}}\]
B.	\[N{{a}_{2}}C{{O}_{3}}.10{{H}_{2}}O\]
C.	Both [a] and [b]
D.	None of these
Answer» D. None of these

Discussion

No Comment Found

Related MCQs

Study the table carefully Sample Blue litmus to red Red litmus to blue (i) Tamarind juice √ × (ii) Sugar syrup × √ (iii) Lime water × √ (iv) Soap solution √ × Which of the above are correctly matched?
Manisha took a little bit of soil from her garden and mixed it with water. When she dipped a blue litmus in it, the litmus turned red- By adding which of the following to her garden will she get better plant growth?
Many salts absorb water (moisture) from the atmosphere. This property is called
Read the given passage and fill in the blanks by choosing an appropriate option.Bleaching powder is a ___i___ powder. When exposed to air, it reacts with ___ii___ of the air to liberate \[C{{l}_{2}}\]gas. It is ___iii___ in cold water and milkiness of the solution is due to presence of unreacted ___iv___. It reacts with HCI and \[{{H}_{2}}S{{O}_{4}}\]liberating ___v___ gas.
You are provided with two solutions 'X' and 'Y?. The colour of turmeric stains on your clothes on coming in contact with solution 'X' changes to brick red and when in contact with solution 'Y' changes to yellow. The solution 'X' and 'Y' provided to you are respectively:
You dissolved a sample, in distilled water and then added a drop of this solution to a test-tube containing blue litmus solution which changes to red. It shows that the sample given to you is of:
Which of the following is an antacid?
DIRECTIONS: Read the following two statements carefully and choose the correct options. (i) All salts are neutral in nature. (ii) A solution of sodium chloride salt in water does not change the colour of any litmus paper.
DIRECTIONS: The questions in this segment consists of two statements, one labeled as "Assertion A" and the other labeled as "Reason R". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion (A): Toothpaste neutralised the acid produced by fermentation of food particles in mouth. Reason (R): Toothpaste is alkaline in nature.
DIRECTIONS: Read the passage given below and answer the questions that follow. Passage - 4 Indicators change their colour when added to a solution containing an acidic or a basic substance. Turmeric, litmus, China rose petals (Gudhal), etc., are some naturally occurring indicators. Which of the following statements is correct?

Aqueous solution of which of the following salt will change the colour of red litmus to blue?

Discussion

No Comment Found

Related MCQs

Reply to Comment