Chemistry QUiz

Question 1.Which gas is most abundant in Earth's atmosphere?

A. Oxygen
B. Nitrogen
C. Carbon Dioxide
D. Hydrogen

Question 2. What is the chemical symbol for Gold?

A. Au
B. Ag
C. Al
D. Fe

Question 3.What is the chemical formula for water?

A. HO
B. H2O
C. CO2
D. NaCl

Question 4. Which element has the atomic number 6?

A. Carbon
B. Oxygen
C. Nitrogen
D. Hydrogen

Question 5. What is the main component of natural gas?

A. Methane
B. Ethane
C. Propane
D. Butane

Question 6. Which acid is found in vinegar?

A. Sulfuric acid
B. Nitric acid
C. Acetic acid
D. Hydrochloric acid

Question 7. What is the process of conversion of a solid directly into a gas called?

A. Sublimation
B. Condensation
C. Evaporation
D. Deposition

Question 8. Which gas is known as laughing gas?

A. Oxygen
B. Nitrous Oxide
C. Carbon Dioxide
D. Helium

Question 9. What is the chemical formula for table salt?

A. NaOH
B. Na2CO3
C. NaCl
D. NaHCO3

Question 10. What is the process of combining elements to form a compound called?

A. Dissolution
B. Decomposition
C. Synthesis
D. Precipitation

Welcome to Equity international school