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प्रश्न
Write any four uses of bases.
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उत्तर
- Sodium hydroxide is used in the manufacture of soap.
- Calcium hydroxide is used in white washing of building.
- Magnesium hydroxide is used as a medicine for stomach disorder.
- Ammonium hydroxide is used to remove grease stains from cloths
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संबंधित प्रश्न
Give one example in the following case:
A base which does not contain a metal ion.
Distinguish between acid and alkali (other than indicators).
What is the difference between an alkali and a base?
Give the significance of pH of soil in agriculture.
When the soil is too basic, plants do not grow well in it. To improve its quality what must be added to the soil?
______ are bitter in taste.
What does the acidity of the base mean?
One of the events that does not occur during photosynthesis is ______.
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.
