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1. Write any four uses of bases.
- In the production of soap, is used.
- Buildings are whitewashed with .
- is a medication that is used to treat stomach problems.
- is used for removing grease stains from cloths.
2. Write any five uses of salts.
Find the salt from the given options.
- is a popular food preservative and flavour enhancer in the food industry.
- is used in fire extinguishers (foam extinguishers) along with aluminium sulphate.
- is used as a disinfectant in the drinking water supply.
3. Sulphuric acid is called King of Chemicals. Why is it called so?
Since sulphuric acid is used to prepare , it is called King of chemicals. is used in car batteries.
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