Advertisements
Advertisements
प्रश्न
Which of the following is an acid-base indicator?
विकल्प
Vinegar
Lime water
Turmeric
Baking soda
Advertisements
उत्तर
Turmeric
Explanation:
Turmeric is an acid-base indicator. It is yellow in acidic solution and red in basic solution.
APPEARS IN
संबंधित प्रश्न
What colour does the turmeric paper turn when put in an alkaline solution?
How will you test for the presence of this gas?
The salt which will give a neutral solution on dissolving in water will be:
(a) CH3COONa
(b) NH4Cl
(c) KCl
(d) Na2CO3
Write balanced equation to satisfy the following statement:
\[\ce{Acid + Base -> Salt + water}\]
Which are the industrial uses of acids?
Main constituent of acid is ______.
The word sour refers to ______ in Latin.
Since metal carbonate and metal bicarbonate are basic, they react with acids to give salt and water with the liberation of ______.
State whether the following statement is true or false. Correct the false statement.
A compound if acidic will turn all indicators red.
A metal 'M' on reacting with dilute acid liberates a gas 'G'. The same metal also liberates gas 'G' when reacts with a base.
- Write the name of gas 'G'.
- How will you test the presence of this gas?
- Write chemical equations for the reactions of the metal with (1) an acid and (2) a base.
