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5/63 MCQs for:
MATTER - PROPERTIES AND TRANSFORMATION: Reaction With Oxygen of air
Which gas is responsible for the 'pop' sound when a burning splint is introduced into it?
What is the main product formed when iron (Fe) burns in air (e.g., as steel wool)?
What happens to the volume of air in a sealed container after a substance (like phosphorus or iron) has burned and consumed the oxygen?

What forms a black solid when heated in air?

What method is used to separate the components of liquid air?