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3 years ago

Q1.what is irragation

Chemistry

2 answers:

Oduvanchick [21]3 years ago

5 0

Answer:

Irrigation is the artificial process of applying controlled amounts of water to land to assist in production of crops. Irrigation helps to grow agricultural crops, maintain landscapes, and revegetate disturbed soils in dry areas and during periods of less than average rainfall.

VARVARA [1.3K]3 years ago

5 0

Answer: The watering of crop plants in regular intervals is known as irrigation. ... Weeds are unwanted plants thet grows with the crop plants. Weeding means to remove those plants. It is done manually or by machine. Using khurpi it is done manually and using seed drill it is done by machine.

Explanation:

Irrigation is the artificial application of water to the soil through various systems of tubes, pumps, and sprays. Irrigation is usually used in areas where rainfall is irregular or dry times or drought is expected.

Hope it helps

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Please help!!!! Chem question

loris [4]

Answer : The net ionic equation will be,

$Ba^{2+}(aq)+SO_4^{2-}(aq)\rightarrow BaSO_4(s)$

Explanation :

In the net ionic equations, we are not include the spectator ions in the equations.

Spectator ions : The ions present on reactant and product side which do not participate in a reactions. The same ions present on both the sides.

The given balanced ionic equation will be,

$Ba(OH)_2(aq)+H_2SO_4(aq)\rightarrow 2H_2O(aq)+BaSO_4(s)$

The ionic equation in separated aqueous solution will be,

$Ba^{2+}(aq)+2OH^-(aq)+2H^{+}(aq)+SO_4^{2-}(aq)\rightarrow BaSO_4(s)+2H^+(aq)+2OH^{-}(aq)$

In this equation, $H^+\text{ and }OH^-$ are the spectator ions.

By removing the spectator ions from the balanced ionic equation, we get the net ionic equation.

The net ionic equation will be,

$Ba^{2+}(aq)+SO_4^{2-}(aq)\rightarrow BaSO_4(s)$

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3 years ago

The crucial difference between relative dating and absolute dating is that

Gwar [14]

Answer:c

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4 years ago

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Iron, an important component of the steel used in the construction of buildings, bridges, and railroads, combines with oxygen to

vladimir2022 [97]

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4 years ago

A sample of ammonium nitrate, weighing 25.2 g, was added to a 150.0 mL container of H2O at 20.0 °C, and then is thoroughly disso

OLga [1]

Explanation:

It is known that the relation between heat energy, specific heat and change in temperature is as follows.

q = $m \times C \times \Delta T$

where, q = heat released or absorbed

m = mass of substance

C = specific heat

$\Delta T$ = change in temperature

It is given that mass is 25.2 g and it is added to 150 ml container so total mass will be (25.2 g + 150 g) = 175.2 g, $T_{1}$ is $20^{o}C$ , $T_{2}$ is $8.5^{o}C$ , and specific heat of water is 4.184 $J/g ^{o}C$ .