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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 is not an alkali.
How would you obtain an alkali from a base.
Distinguish between acid and alkali (other than indicators).
Why indicator does not get affected by salt?
What is the term defined by the following?
A base which is soluble in water.
On adding phenolphthalein indicator to a colourless solution, no change is observed. What is the nature of this solution?
All bases are alkalis but all alkalis are not bases.
Bases ionise in water to form ______ ions.
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.
