Question

Most economical and effective method to control pH of the soil is
(A) $CaC{O_3}$
(B) $Ca{(OH)_2}$
(C) $CaC{l_2}$
(D) $Ca{(N{O_3})_2}$

Answer 1

Hint:First we should be aware of the properties of the soil which is important for the soil in order to provide the correct surrounding for the plant growth. Now we can say that the soil neutrality can be maintained by the addition of the base and all of the options are base. Among the options only one is which neutralizes the acid nitrogen and forms organic compounds at the right time.

Complete answer:Here in the given question statement the question is regarding the most economical way to control the ph of the soil in order to maintain the neutrality of the osil. There are many ways through which we can stop the soil assimilation of the acidic nature but only some of them are considered as economic and safe at the same time.
Now we have to give the correct fact and idea regarding the situation of the $CaC{O_3}$ in the case of soil.
Here, when the plant's soil pH will increase then the plant's ability to absorb many or certain nutrients is disrupted at a high level.
The pH of the range of \[6.0\] to \[7.0\] (slightly acidic to neutral) is considered most suitable for the best growth of plants. This is because they need neutrality for the best growth.
Whereas the most economical and effective method to control the pH of the soil is considered as the addition of $CaC{O_3}$ because then it will increase the pH level of acidic soil. This in case will result in reducing the acidity and increasing the alkalinity of the soil.
Hence we can say that the most economical and effective method to control the pH of the soil is the addition of the $CaC{O_3}$ to the soil.

Therefore we can say that the answer would be option A, $CaC{O_3}$ .

Note: Calcium carbonate is a chemical compound with the formula $CaC{O_3}$ . It is a common substance found in rocks as the minerals calcite and aragonite (most notably as limestone, which is a type of sedimentary rock consisting mainly of calcite) and is the main component of pearls and the shells of marine organisms, snails, and eggs.