Advertisements
Advertisements
प्रश्न
- Both acids and bases change colour of all indicators.
- If an indicator gives a colour change with an acid, it does not give a change with a base.
- If an indicator changes colour with a base, it does not change colour with an acid.
- Change of colour in an acid and a base depends on the type of the indicator.
Which of these statements are correct?
विकल्प
All four
a and d
b, c and d
Only d
Advertisements
उत्तर
Only d
APPEARS IN
संबंधित प्रश्न
You have two solutions, A and B. The pH of solution A is 6 and pH of solution B is 8. Which solution has more hydrogen ion concentration? Which of this is acidic and which one is basic?
Fresh milk from cows has a pH of 6. So how does the pH change when this milk is turned to curd? Explain your answer.
Name two olfactory indicators. What is the effect of adding sodium hydroxide solution to these olfactory indicators?
What is the pH of a neutral solution?
Name the scientist who developed the pH scale.
Two solutions A and B have pH values of 3.0 and 9.5 respectively. Which of these will turn litmus solution from blue to red and which will turn phenolphthalein from colourless to pink?
The more alkaline a solution, the ______ the pH.
A solution turns blue litmus red. Its pH is likely to be ______.
How could the person change his eating habits to lessen chances of suffering from tooth decay?
Write a note on:
Methyl orange
