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प्रश्न
Bring the soil sample of your area, find out if it is acidic, basic or neutral. Discuss with farmers if they treat the soil in any manner.
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उत्तर
To determine if the soil sample from your area is acidic, basic, or neutral, follow these steps:
- Collect the Soil Sample: Gather a small amount of soil from your area.
- Test the Soil pH: Use a pH meter or pH test strips to measure the pH of the soil.
- Acidic Soil: pH less than 7
- Neutral Soil: pH of 7
- Basic (Alkaline) Soil: pH greater than 7
- Discuss with Farmers:
- Ask local farmers if they use any specific treatments for the soil.
- Common treatments include adding lime to acidic soil to raise the pH or adding sulfur to alkaline soil to lower the pH.
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संबंधित प्रश्न
Which gas is usually liberated when an acid reacts with a metal?
Why do HCl, H2SO4, HNO3, etc., show acid character in aqueous solutions while solutions of compounds like C6H12O6 (glucose) and C2H5OH (alcohol) do not show acidic character?
A white shirt has a yellow stain of curry. When soap is rubbed on this shirt during washing, the yellow stain turns reddish-brown. On rinsing the shirt with plenty of water, the reddish-brown stain turns yellow again.
Explain the changes in colour of this indicator which take place during washing and rinsing the shirt.
What happens to the H+ ions, of the solution, when an acid is neutralised?
The salt which will give an acidic solution on dissolving in water is:
(a) KCl
(b) NH4Cl
(c) Na2Co3
(d) CH3COONa
Give two examples of the following:
monobasic acid
Give four examples of preparation of acids by synthesis.
Lemon juice and vinegar taste ______ because they contain ______.
Acids have a sour taste and they are soapy to touch.
Write the important uses of hydrochloric acid and sulphuric acids.
