Chemical

Noun:

1. A compound or substance that has been purified or prepared, especially artificially.

Adjective: 2. Relating to chemistry or the interactions of substances as studied in chemistry.

Prepositions:

• “In” (chemical in a substance)
• “Of” (chemical of a specific type)
• “With” (chemical with certain properties)

Collocations:

• Chemical reaction, chemical compound, chemical process, chemical engineer, chemical properties.

Example Sentences:

1. The laboratory tests revealed the presence of a toxic chemical.
2. She studied the chemical composition of the substance.
3. The chemical reaction produced a lot of heat.
4. They use chemical fertilizers to enhance crop growth.
5. The company is a leading producer of chemical products.
6. He specialized in chemical engineering at university.
7. The spill involved a dangerous chemical.
8. She works in the chemical industry.
9. They analyzed the chemical properties of the new material.
10. The chemical formula represents the compound’s composition.
11. The plant produces several types of chemical solvents.
12. He had a chemical burn on his hand.
13. They conducted a chemical analysis of the soil.
14. The product contains no harmful chemicals.
15. The chemical reaction turned the solution blue.
16. She is researching chemical interactions in cells.
17. The factory uses chemical processes to create the product.
18. He explained the chemical structure of the molecule.
19. The chemical imbalance in the brain can cause depression.
20. They developed a new chemical that resists corrosion.
21. The chemical properties of water are well known.
22. The chemical industry is heavily regulated.
23. The reaction involved a chemical change.
24. She works as a chemical technician in the lab.
25. They measured the chemical concentration in the sample.
26. The chemical plant is located near the river.
27. He studied the chemical behavior of gases.
28. The chemical spill was contained quickly.
29. They are testing a new chemical compound for strength.
30. The chemical reaction emitted a foul odor.
31. She mixed the chemicals carefully to avoid an explosion.
32. The chemical bond between the atoms is strong.
33. They use chemical sensors to detect pollutants.
34. He was exposed to hazardous chemicals at work.
35. The chemical synthesis process requires precise conditions.
36. She is an expert in chemical kinetics.
37. The chemical solution was stored in a sealed container.
38. The chemical analysis confirmed the substance’s purity.
39. They developed a chemical that accelerates growth.
40. He was fascinated by chemical reactions as a child.
41. The chemical formula was written on the board.
42. The team is researching chemical compounds with medicinal properties.
43. The chemical bath is used to clean metal parts.
44. She added a chemical reagent to the mixture.
45. The chemical smell was overpowering.
46. They use chemical treatments to purify water.
47. He is studying the chemical mechanisms of drug action.
48. The chemical properties of the element are unique.
49. They discovered a new chemical element.
50. The chemical process resulted in a new material.