We all know that chemical elements make up the water we drink, the food we eat, the air we breathe, and many other living things. Chemistry is an interesting subject that combines different sciences to give us a better understanding of the complicated world. Whether you are high school students or those who want to increase your trivia knowledge, check out the following basic chemistry quiz questions and answers.
Basic Chemistry Quiz Questions and Answers
1. What is H2O2 commonly known as?
B. Hydrogen peroxide
2. Which of the following elements is not a liquid around room temperature?
3. Which of the followings does not contain potassium?
4. What do we call the process in which an atom’s nucleus splits into smaller elements?
A. Nuclear fusion
B. Nuclear fission
C. Nuclear reaction
5. What is the role of salt in a saline solution or a solution of saltwater?
6. Which of the followings is not a rare-earth element?
7. If we fill a glass with ice cubes and water. What will occur when the ice melts?
A. The water level remains the same
B. The water level increases slightly
C. The water level decreases slightly
8. Based on the pH level, how can we describe milk?
A. Slightly acidic
C. Slightly basic
9. Which of the following elements is heavier than iron?
10. What does AMU stand for in chemistry?
A. Atomic Matter Unit
B. Atomic Mass Unit
C. Accelerated Mass Unit
11. Noble gases are basically inert with complete outer electron shells. Which of the following elements is not a noble gas?
12. What is the number of electrons in a sodium atom?
13. What do we have after combining two chemical elements?
14. How many protons and electrons does hydrogen have?
A. 0 electron and 1 proton
B. 1 electron and 0 proton
C. 1 electron and 1 proton
15. Which scientist is credited with the invention of the periodic table?
16. Which gas accounts for the largest part of the air?
17. Which elements are present in all organic molecules, which make up living organisms?
A. Hydrogen and carbon
B. Nitrogen and carbon
C. Oxygen and carbon
18. What are the basic features of liquids?
A. A defined volume and a defined shape
B. No defined shape and no defined volume
C. No defined shape and a defined volume
19. What is the most common state of matter in the universe?
20. What is the value of Avogadro’s number, which is the number of units in one mole of substance?
B. 6.023 * 10^23
C. 6.023 * 10^-23
21. Which term refers to an atom with more protons than electrons?
A. A cation
B. An isotope
C. An anion
22. Which of the followings is not an amino acid?
23. What is the other name for the solid form of carbon dioxide?
A. Dry ice
B. Wet ice
C. Salt ice
24. What is the colour of the solid and liquid forms of oxygen?
25. What is the number of orbitals or shells of an atom with 13 electrons?
26. What is the chemical name of the compound NaCl?
A. Sodium chloride
B. Potassium chloride
C. Hydrogen chloride
27. What do we call the energy needed to begin a chemical reaction?
A. Initial energy
B. Triggering energy
C. Activation energy
28. What is the result when two or more forms of matter are distributed evenly in a mixture?
A. A compound
B. A combination
C. A solution
29. What is the lasting attraction between molecules, ions, and atoms that allows for the formation of compounds?
A. A chemical force
B. A chemical link
C. A chemical bond
30. The chloride salt of which element contributes to the green colour in firework displays?
31. Which of the followings is often used as a bleaching agent?
C. Sodium chloride
32. What is the pH level of water?
33. Ruby is an oxide of which element?
34. Who was the first chemist to propose the atomic theory?
A. E. Rutherford
B. John Dalton
C. D.I. Mendeleev
35. What is the purest form of iron?
A. Wrought iron
C. Cast iron
36. Which two factors are needed for the rusting of metal iron?
A. Moisture and oxygen
B. Water and carbon dioxide
C. Light and oxygen
37. What do we call the chemical process in which an organic compound is decomposed by water?
38. Which is strongly heated with clay to form cement?
39. Glass is a …
A. Superheated liquid
B. Supercooled liquid
C. Supercooled solid
40. Which process can be used to separate a solute in a solution?
41. What is the most abundant heavy metal in the human body?
42. What is the current colour of the Statue of Liberty, which reflects the use of copper plates in making the sculpture?
43. What is the most commonly used heavy metal in modern life?
44. Which heavy metal is sometimes used in making viola’s strings to allow for better responsiveness and smaller diameters?
45. What can we say about the melting point of heavy metals?
A. Very low
B. Very high
C. Range from low to very high
46. What is the main location of most heavy metals in the periodic table?
A. Mostly in groups 1 and 2
B. Nearly all in groups 3 to 16
C. Nearly all in groups 17 to 20
47. Which process refers to the gradual increase in the concentration of heavy metal or other toxic chemicals in a biological organism?
48. Which of the following heavy metals is an inevitable by-product of lead or zinc?
49. What is the most important application of cadmium in the industry?
A. To make rechargeable batteries
B. To produce paints
C. To produce fertilizers
50. Which of the following is not a major source of lead exposure?
A. Drinking water
C. Skincare products
51. The human body needs a small amount of nickel to produce which part?
A. White blood cells
B. Red blood cells
52. Which of the following is true about the reactivity of heavy metals compared to light metals?
A. Heavy metals tend to be less reactive to light metals
B. Light metals tend to be less reactive to heavy metals
C. Some heavy metals are more reactive than light metals, while others are less reactive
53. How much of the Earth’s crust is made of heavy metals by weight?
A. Approximately 5 per cent
B. Approximately 15 per cent
C. Approximately 25 per cent
54. The last one on this list of basic chemistry quiz questions and answers: Which heavy metal is added to steel and copper alloys to improve the machinability?
If you can answer all of these basic chemistry quiz questions and answers, perhaps you have a good chance of becoming a chemist. We hope you have fun and learn many interesting facts about this subject. Check out this periodic table quiz if you still have time and want more like these basic chemistry quiz questions. Or you can have a look at this IT quiz if you would like to try something else.