Question

plsssssssssssssssssss answer this fast.......................​

Answer 1

$\huge\underline{\purple{\sf{Question:-}}}$

Paheli observed that most of the fish in the pond of her village were gradually dying . She also oberved that the waste of a factory in their village is flowing to the pond.

a. Explain why the fish were dying

b. If the factory waste is acidic how can it be neutralized ?

$\huge\underline{\purple{\sf{Required\:answer:-}}}$

a. Due to the prescence of toxic chemicals in the waste of factories it pollutes the pond. This effects the $\sf{p_{H}}$ value of water and makes it acidic in nature . Beacause of this acidic nature this fishes (or) any other aquatic organisms cannot survive in this polluted water. So , gradually the fishes started die.

b. Water affected with factory waste can be treated using lime , CaCO₃ ( limestone ) and other bases which neutralize the acidity present in the water. In this way , the $\sf{p_{H}}$ value of water also reaches to normal level. Hence , The water becomes normal .

Answer 2

Answer:

\huge\underline{\purple{\sf{Question:-}}}

Question:−

Paheli observed that most of the fish in the pond of her village were gradually dying . She also oberved that the waste of a factory in their village is flowing to the pond.

a. Explain why the fish were dying

b. If the factory waste is acidic how can it be neutralized ?

\huge\underline{\purple{\sf{Required\:answer:-}}}

Requiredanswer:−

a. Due to the prescence of toxic chemicals in the waste of factories it pollutes the pond. This effects the \sf{p_{H}}p

H

value of water and makes it acidic in nature . Beacause of this acidic nature this fishes (or) any other aquatic organisms cannot survive in this polluted water. So , gradually the fishes started die.

b. Water affected with factory waste can be treated using lime , CaCO₃ ( limestone ) and other bases which neutralize the acidity present in the water. In this way , the \sf{p_{H}}p

H

value of water also reaches to normal level. Hence , The water becomes normal .