Which country is the 8th largest country by land area?

Which country is the 5th largest country by land area? Which of the following countries is the 6th largest country by land area? Which country is the 7th largest country by land area? Which of the following countries is NOT one of the top 10 largest countries by land area? Which country is the 9th largest country by land area? What is the largest country in the Middle East by area? What is the largest country in the Commonwealth by area? Which country is the largest in the Arab world by area?