Excessive use of which causes soil deterioration?
Fertilizer
Pesticides
Fungicides
None of these
Excessive use of fertilizers causes soil deterioration through the decrease of natural microflora.
Hence, option number (1) is correct.
50 mL of 0.2 M ammonia solution is treated with 25 mL of 0.2 M HCl. If pKb of ammonia solution is 4.75, the pH of the mixture will be : Option: 1 3.75 Option: 2 4.75
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