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Chemistry Quiz

Questions: 10 Difficulty: Mixed

You can only choose once. Choose wisely.

1. What is the chemical symbol for potassium? (Chemistry)

Ko
Ka
K
P

2. Which chemical element has the symbol "O"? (Chemistry)

Oxygen
Gold
Sodium
Sulfur

3. What is the name of the process by which plants convert sunlight into chemical energy? (Chemistry)

Respiration
Photosynthesis
Oxidation
Chemosynthesis

4. What is the term for a chemical reaction that absorbs heat? (Chemistry)

Catalytic
Neutralization
Exothermic
Endothermic

5. What is the primary use of helium gas? (Chemistry)

Fuel production
Explosives
Cooking
Inflating balloons

6. What is the chemical formula of glucose? (Chemistry)

C2H6
C3H8
CH4
C6H12O6

7. What type of reaction releases energy, usually in the form of heat? (Chemistry)

Decomposition
Exothermic
Endothermic
Synthesis

8. What is the name of the process used to separate crude oil into its components? (Chemistry)

Decantation
Centrifugation
Fractional distillation
Filtration

9. What is the term for a mixture where one substance is dissolved in another? (Chemistry)

Solution
Suspension
Colloid
Emulsion

10. What is the main component of natural gas? (Chemistry)

Ethane
Methane
Butane
Propane