Advertisements
Advertisements
प्रश्न
In acidic solution, the colour of the hibiscus indicator paper will change to _____.
Advertisements
उत्तर
In acidic solution, the colour of the hibiscus indicator paper will change to deep pink or deep red.
APPEARS IN
संबंधित 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?
Those substances whose smell (or odour) changes in acidic or basic solutions are called ______ indicators.
What is a universal indicator?
Explain the pH change as the cause of tooth decay.
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.
What effect does the concentration of OH− ions have on the nature of a solution?
State whether a solution is acidic, alkaline or neutral if its pH is:
9
The salt whose aqueous solution will turn blue litmus to red is ______.
Assertion: Methyl orange and phenolphthalein are natural indicators.
Reason: Methyl orange is yellow in colour while phenolphthalein is pink.
Take a shirt with turmeric powder strain. Wash the shirt with soap. Do you observe any change in the colour? Why?
