Question

chemistry plzzzzzz answer​

Answer 1

Answer:

1. water cycle

2.a

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Answer 2

1) Acid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. These substances can rise very high into the atmosphere, where they mix and react with water, oxygen, and other chemicals to form more acidic pollutants, known as acid rain.

2)

a)Crystallization, or crystallisation, is the process of atoms or molecules arranging into a well-defined, rigid crystal lattice in order to minimize their energetic state. The smallest entity of crystal lattice is called a unit cell, which can accept atoms or molecules to grow a macroscopic crystal.

b) In chemistry, neutralization or neutralisation (see spelling differences) is a chemical reaction in which acid and a base react quantitatively with each other. In a reaction in water, neutralization results in there being no excess of hydrogen or hydroxide ions present in the solution.

3)Calamine solution or Zinc Carbonate is applied on ant sting because ant sting contains Formic acid or HCOOH which makes it acidic in nature and can be nutralised by a base, i.e ZnCO3