Topic Details (Notes format)

What is the SI unit of power?

What is the most abundant element in the universe?

Which gas is used in fire extinguishers?

What is the chemical symbol for the element iron?

Which gas is commonly used in balloons to make them float?

Which component of blood carries oxygen?

What is the unit of electric current?

What is the function of hemoglobin in the blood?

What is the main purpose of stomata in plants?

Which gas is used in the process of welding?