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प्रश्न
Why indicator does not get affected by salt?
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उत्तर
Indicators do not get affected by salts because salts are neutral in nature. Indicators work only with acidic and basic substances.
For example:
| Indicator | Acidic substance | Basic substance |
| Phenolphthalein | colourless | turns pink |
| Methyl orange | turns red | turns yellow |
संबंधित प्रश्न
Oxides of metals are acidic in nature.
What is the term defined by the following?
A base which is soluble in water.
Chemical formula of calcium oxide is _______
What are the similarities between acids and bases?
What is the role of toothpaste in the prevention of tooth decay?
Which of the following solutions do not conduct electricity?
What does the acidity of the base mean?
Al(OH)3 & Zn(OH)2 are not alkalis.
A small amount of copper oxide was taken in a beaker and dilute hydrochloric acid was added with continuous stirring of the solution. Name the compound formed and state the colour of its solution. Write the balanced chemical equation for the reaction that occurs. Based on the reaction, state the nature (acidic/basic) of copper oxide.
Choose the most appropriate answer from
(SO2, SiO2, Al2O3, CO, MgO, Na2O)
A basic oxide.
