Advertisements
Advertisements
प्रश्न
Someone put some universal indicator paper into vinegar. The pH is 3. What does this tell you about the vinegar?
उत्तर
Universal indicator paper dipped into vinegar shows pH 3, indicating that vinegar is an acid. Acids show a value below 7 on the pH scale.
APPEARS IN
संबंधित प्रश्न
What is an olfactory indicator?
Name the scientist who developed the pH scale.
Two drinks P and Q gave acidic and alkaline reactions, respectively. One has a pH value of 9 and the other has a pH value of 3. Which drink has the pH value of 9?
Fill in the following blank with suitable words:
Neutral substances have a pH of ................
What is a universal indicator? For what purpose is it used?
The pH values of six solutions A to F are given below:
A = 0, B = 11, C = 6, D = 3, E = 13, F = 8
Which of the above solutions are (i) acids (ii) alkalis?
The pH values of three acids A, B and C having equal molar concentrations are 5.0, 2.8 and 3.5 respectively. Arrange these acids in order of the increasing acid strengths.
How could the person change his eating habits to lessen chances of suffering from tooth decay?
Few drops of aqueous solution of ammonium chloride are put on a universal indicator paper. The paper turns pink.
Choose the correct option.
Prepare red cabbage juice by boiling a piece of red cabbage in water. Use it as an indicator and test the acidic and basic solutions with it. Present your observations in the form of a table.
