PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free Demo1. Write any four uses of acids.
Uses of acids:
a. Since is used to prepare many other compounds, it is called King of Chemicals. It is used in car batteries.
b. is used as a cleansing agent in toilets.
c. is used to prepare effervescent salts and as a food preservative.
d. is used to manufacture fertilizers, dyes, paints and drugs.
2. Give the significance of pH of soil in agriculture.
In agriculture, the pH of the soil is very important. Citrus fruits require slightly , rice requires and sugarcane requires .
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