Advertisements
Advertisements
प्रश्न
Fill in the blank in the following sentences:
Those substances whose smell (or odour) changes in acidic or basic solution are called .......................... indicators.
उत्तर
Those substances whose smell (or odour) changes in acidic or basic solution are called olfactory indicators.
APPEARS IN
संबंधित प्रश्न
Blue litmus paper is dipped in a solution. It remains blue. What is the nature of the solution? Explain.
What colours do the following indicators turn when added to an acid (such as hydrochloric acid)?
litmus
Name two olfactory indicators?
Fill in the following blank with suitable words:
Acids have a pH...........than 7.
Fill in the following blank with suitable words:
The more acidic a solution, the ................. the pH.
What does the pH of a solution signify? Three solution A, B and C have pH values of 6, 4 and 10 respectively. Which of the solutions is highly acidic?
State whether a solution is acidic, alkaline or neutral if its pH is:
(i) 9
(ii) 4
(iii) 7
(iv) 1
(v) 10
(vi) 3
The pH values of five solutions A, B, C, D and E are given below:
| A | 1 |
| B | 5 |
| C | 7 |
| D | 11 |
| E | 13 |
How will you prepare natural indicator from turmeric powder?
Write a note on:
Methyl orange
