5TH APL ODF

Which of the following is compound is laughing gas?

• N2O
• O2
• CO2
• H2O

Which of the following element is found in diamond?

• Hydrogen
• Carbon
• Oxygen
• Nitrogen

Which of the following is the chemical symbol for gold?

• Au

• Ag

• Fe

• Cu

Which of the following gases is responsible for the greenhouse effect?

• Oxygen

• Nitrogen

• Carbon Dioxide

• Helium

Which of the following is the lightest element?

• Hydrogen

• Oxygen

• Nitrogen

• Carbon

Which among the following state is most populated in India?

• Uttar Pradesh
• Kerala
• Bihar
• Maharashtra

Which of the following is the hardest natural substance on Earth?

• Gold

• Iron

• Diamond

• Silver

Which of the following is the largest mammal on Earth?

• Elephant

• Blue Whale

• Giraffe

• Lion

Which of the following is the tallest mountain in the world?

• Mount Everest

• K2

• Kangchenjunga

• Lhotse

Which of the following is the lightest gas?

• Hydrogen

• Oxygen

• Nitrogen

• Helium