Gchemi.
  • 1. Methanol and ethanol are examples under of what organic compound
A) Polymer
B) Alkanes
C) None of these
D) Alcohol
  • 2. It is characterized by the presence of carbon carbon and carbon hydrogen bonds
A) Inorganic compounds
B) None of these
C) Organic compounds
D) Compounds
  • 3. These are the fundamental building blocks of matter.
A) Atoms and molecules
B) None of these
C) Cation and anion
D) Acid and base
  • 4. What type of organic compound that include antibiotics, painkillers, antacid s and antihistamine.
A) Biomaterials
B) None of these
C) Fuels
D) Pharmaceutical
  • 5. It refers to the process of separating a desired substance or component from a mixture using a solvent.
A) Distillation
B) Filtration
C) Extraction
D) None of these
  • 6. It is a type of chemical reaction when two aqueous solution combining mixed an installable compound is formed.
A) None of these
B) Metathesis reaction
C) Gas formation reaction
D) Precipitation reaction
  • 7. In this type of reaction is single reactant breaks down into two or more products.
A) Decomposition reaction
B) Single displacement reaction
C) None of these
D) Double displacement reaction
  • 8. Used for handling hot objects
A) None of these
B) Tongs
C) Bunsen burner
D) Erlenmeyer flasks
  • 9. Caffeine; a sugar found in fruits and other foods and a major source of energy for the body.
A) True
B) False
  • 10. In this type of reaction and acid and base react to form a salt and water.
A) Acid-base reaction
B) Single displacement reaction
C) Precipitation reaction
D) None of these
  • 11. These are compounds that are made up of atoms that share electrons to form covalent bonds.
A) Ionic compounds
B) None of these
C) Metallic compounds
D) Covalent compounds
  • 12. These are components that contain two or more atoms that are covalently bonded together and have an overall charge
A) Polyatomic compounds
B) Inorganic compounds
C) Organic compounds
D) None of these
  • 13. Used for holding and mixing small amount of liquid.
A) Breakers
B) Test tubes
C) None of these
  • 14. In this type of reactions two compounds exchange ions to form two new compounds.
A) Single displacement reaction
B) Decomposition reaction
C) None of these
D) Double displacement reaction
  • 15. It is a common technique used for the purification of solid compounds in the production of crystalline materials.
A) Crystallization
B) Extraction
C) None of these
D) Sublimation
  • 16. Are formed when two or more atoms combined chemically.
A) Atoms
B) Compound
C) None of these
D) Molecules
  • 17. The simplest organic compound found in natural gas and produced by certain microorganism.
A) Methane
B) Propane
C) None of these
D) Ethane
  • 18. It refers to the process by which solid substance directly translations into a gas use state without passing through the intermediate liquid phase
A) None of these
B) Distillation
C) Sublimation
D) Precipitation
  • 19. Refers to the branch of chemistry that deals with the study of carbon based compound.
A) Organic
B) None of these
C) Forensics
D) Inorganic
  • 20. In this type of reaction an acid and a base react to form a salt and water.
A) None of these
B) Decomposition reaction
C) Acid-base reaction
D) Double displacement reaction
  • 21. These are compounds that are made up of positively charged ions (cations) and negatively charged ions (anions) held together by electrostatic force.
A) Covalent compounds
B) Metallic compounds
C) Ionic compounds
D) None of these
  • 22. Glucose; stimulant found in coffee tea and many other products.
A) True
B) False
  • 23. Used for stirring liquids or mixing substance
A) Stick
B) None of these
C) Glass Rod
D) Stirring Rod
  • 24. Used for precise measurement of liquids
A) Graduated cylinder
B) None of these
C) Beakers
D) Test tube
  • 25. Is a substance composed of two or more different elements chemical bonded together in a fixed ratio.
A) Compound
B) Organic
C) None of these
D) Chemistry
  • 26. It refers to the process by which a solid substance directly transition into a gaseous state without passing through the intermediate liquid phase
A) Sublimation
B) Distillation
C) Precipitation
D) None of these
  • 27. It covers the basic concepts of atoms molecules chemical reactions and their interaction with each other.
A) Organic
B) None of these
C) Chemistry
D) General chemistry
  • 28. It focuses on the structures properties and synthesis of organic compounds which are abundant in living organism and play a crucial role in various aspects of life
A) Inorganic chemistry
B) Forensic chemistry
C) Organic chemistry
D) None of these
  • 29. DNA is an example of organic compounds
A) False
B) True
  • 30. Fundamental process in general chemistry that involves the transformation of one or more chemical substances into new product.
A) Chemical reaction
B) Chemical property
C) None of these
D) Chemical compound
  • 31. These are compounds that are made up of metallic element held together by metallic bonds
A) None of these
B) Covalent compound
C) Ionic compound
D) Metallic compound
  • 32. On the periodic table elements are list in order of increasing?
A) Atomic weight
B) Atomic mass
C) None of these
D) Atomic number
  • 33. Compounds can be classified based on their?
A) Chemical reaction
B) None of these
C) Chemical compound
D) Chemical composition
  • 34. Ethanol is also known as
A) Methyl alcohol
B) Ethylitic alcohol
C) Ethyl alcohol
D) None of these
  • 35. It is a common technique used for the purification of solid compounds in the production of crystalline materials.
A) Extraction
B) Sublimation
C) Crystallization
D) None of these
  • 36. It is a type of chemical reaction when two aqueous solutions combined mixed an insoluble compound is formed
A) Precipitation reaction
B) Metathesis reaction
C) None of these
D) Gas formation reaction
  • 37. Is a substance that is made up of two or more different elements that are chemically bonded together in fixed proportion.
A) Organic
B) Chemistry
C) None of these
D) Compound
E) Compound
  • 38. Glucose; a stimulant found in coffee tea and many others product.
A) True
B) False
  • 39. A process in chemistry that involves the formation of solid crystals from a solutions melt and vapor.
A) None of these
B) Crystallization
C) Chromatography
D) Extraction
  • 40. Used for holding and measuring liquids
A) Beakers
B) None of these
C) Erlenmeyer flasks
D) Test tubes
  • 41. It is typically associated with living organism but they can also be synthesized in laboratories and are used extensively in industry.
A) Organic compound
B) Compound
C) None of these
D) Inorganic compound
  • 42. A one or two letter that represent the element is called
A) Symbol
B) None of these
C) Sign
D) Name
  • 43. Is a pure substance that cannot be broken down into simpler substances by chemical means
A) None of these
B) Element
C) Molecules
D) Atoms
  • 44. It refers to the formation of a solid from a solution as a result of a chemical reaction.
A) None of these
B) Precipitation
C) Filtration
D) Sublimation
  • 45. Organic compounds are found in all living things and or the basis of organic chemistry which studies their structures properties and reactions.
A) True
B) False
  • 46. A common medication used to relieve pain reduced inflammation and lower fever.
A) Aspirin
B) Ibuprofen
C) None of these
D) Acetic acid
  • 47. It refers to the branch of chemistry that deals with the study of compounds primarily composed of carbon atoms.
A) Inorganic
B) None of these
C) Forensic
D) Organic
  • 48. In this type of reaction and element or ion in a compound is replaced by another element or ion.
A) Single displacement reaction
B) None of these
C) Double displacement reaction
D) Decomposition reaction
  • 49. It refers to the process of separating a desired substance or component from a mixture using a solvent.
A) Filtration
B) Distillation
C) None of these
D) Extraction
  • 50. What type of decomposition is this: water (H2O) breaks down into hydrogen gas (H2) and oxygen gas (O2) when an electric current is passed through it.
A) Electrolitic decompression
B) Electrolytic decomposition
C) Electrolityc decomposition
D) Electrelytic decomposition
  • 51. Used for heating substances and performing flames test .
A) Tong
B) None of these
C) Test tube
D) Bunsen burner
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