Advertisements
Advertisements
प्रश्न
Three liquids are given to you. One is hydrochloric acid, another is sodium hydroxide and the third is a sugar solution. How will you identify them? You have only turmeric indicator.
Advertisements
उत्तर
Test the liquids one by one by placing a few drops of the three liquids on the turmeric indicator.
- If yellow colour is obtained then the liquid will be hydrochloric acid.
- If red or pink colour is obtained then it will be sodium hydroxide.
- If there is no change then it is a sugar solution.
APPEARS IN
संबंधित प्रश्न
What is the pH of a neutral solution?
Two solutions X and Y are tested with universal indicator. Solution X turns orange whereas solution Y turns red. Which of the solutions is a stronger acid?
Fill in the following blank with suitable words:
The more acidic a solution, the ................. the pH.
What is a universal indicator? For what purpose is it used?
How does a universal indicator work?
Someone put some universal indicator paper into vinegar. The pH is 3. What does this tell you about the vinegar?
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 |
What damage could be caused while the pH is low?
In acidic solution, the colour of the hibiscus indicator paper will change to _____.
Few drops of aqueous solution of ammonium chloride are put on a universal indicator paper. The paper turns pink.
Choose the correct option.
