what is acid rain how can we determine the ph of soil
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• Acid rain :- When the pH of rain falls below 5.5 than the rain is considered as acid rain.
The acid rain is mostly consist of oxide of sulphur and nitrogen .
° When the pH of soil falls below 6 then it is considered as acidic soil.
• How to check the pH of soil ?
° Take the sample of soil.
° Mix it with water.
° Filter the mixture.
° Put the pH paper in the filterete .
° Observe the value by pH scale.
• By mixing CaCO3 ( calcium carbonate )
we can make the pH of soil slightly basic .
The acid rain is mostly consist of oxide of sulphur and nitrogen .
° When the pH of soil falls below 6 then it is considered as acidic soil.
• How to check the pH of soil ?
° Take the sample of soil.
° Mix it with water.
° Filter the mixture.
° Put the pH paper in the filterete .
° Observe the value by pH scale.
• By mixing CaCO3 ( calcium carbonate )
we can make the pH of soil slightly basic .
ALTAF11:
three :- grass -- dear --- lion.....four :-grass --rat--snake---hawk..five:- grass --- grasshopper ---frog---snake--- hawk
this are the example of the food chain having three , four and five members respectively!!
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