General Knowledge Quiz

What is the chemical formula of water?

• H2O2

• H2O

• O2

• CO2

Which planet is known as the "Red Planet"?

• Venus

• Mars

• Mercury

• Jupiter

Which gas is essential for human respiration?

• Nitrogen

• Hydrogen

• Oxygen

• Carbon dioxide

What is the boiling point of water at sea level?

• 0°C

• 50°C

• 100°C

• 200°C

What is the main component of the Sun?

• Oxygen

• Helium

• Nitrogen

• Hydrogen

Which vitamin is also known as ascorbic acid?

• Vitamin A

• Vitamin B

• Vitamin C

• Vitamin D

What is the symbol for sodium on the periodic table?

• S

• N

• Na

• So

Which organ is responsible for pumping blood in the human body?

• Lungs

• Liver

• Stomach

• Heart

How many legs does an insect have?

• 6

• 4

• 8

• 10

Which gas is most abundant in the Earth's atmosphere?

• Oxygen

• Carbon dioxide

• Nitrogen

• Hydrogen