Environmental Chemistry

Question 1

study of chemical processes in air, water, and soil, and how human activities impact them.

Answer 1

environmental chemistry

Question 2

it plays a crucial role in monitoring pollution and developing sustainable solutions.

Answer 2

environmental chemistry

Question 3

what are the 6 types of chemical reactions?

Answer 3

1. Combustion (oxidized)
2. Decomposition (multiple products)
3. Neutralization (salt and water)
4. Redox (transfer of electrons)
5. Precipitation or Double-Displacement (form new compound)
6. Synthesis (form one product)

Question 4

_________ in which the bonds are broken in order to form a new substance

Answer 4

chemical reaction

Question 5

a reaction with a combustible material with an oxidizer to give an oxidized product

Answer 5

combustion reaction

Question 6

a reaction in which a single component breaks down into multiple products

Answer 6

decomposition reaction

Question 7

a reaction between an acid and a base giving salt and water as the products

Answer 7

neutralization

Question 8

a reaction in which there is a transfer of electrons between chemical species

Answer 8

redox reaction

Question 9

a reaction of two compounds exhange ions to form two new compounds.

Answer 9

precipitation or double-displacement reaction

Question 10

a reaction of two or more reactants combine to form a single product

Answer 10

synthesis reaction

Question 11

what are the factors affecting chemical reaction?

Answer 11

1. concentration
2. temperature
3. pressure
4. catalyst
5. surface area

Question 12

practical problems that needs to apply chemistry

Answer 12

1. pollution control
2. waste water treatment
3. renewable energy

Question 13

what are the importance of chemistry in the environment?

Answer 13

1. identifying & reducing harmful substances
2. fertilizers & sustainable agriculture
3. waste management & recycling
4. clean energy solutions
5. water purification

Question 14

these are the substances that can harm living organisms and the environment.

Answer 14

toxic chemicals

Question 15

examples of toxic chemicals

Answer 15

1. lead
2. arsenic
3. candium
4. mercury

Question 16

what are the common sources of toxic chemicals

Answer 16

1. industrial activities
2. transportation emissions
3. household products
4. waste disposal

Question 17

what are the pathways to the environment?

Answer 17

1. air pollution
2. water contamination
3. soil contamination
4. bioaccumulation in the food chain

Question 18

prevention vs. mitigation

Answer 18

prevention - to prevent something to occur

mitigation - to lessen the damage of the occurrence