1) Which gas burns with a squeaky pop! a) Oxygen b) Hydrogen c) Carbon Dioxide 2) Which gas relights a glowing splint? a) Oxygen b) Hydrogen c) Carbon dioxide 3) Which gas turns limewater cloudy? a) Oxygen b) Hydrogen c) Carbon dioxide 4) As particle size decreases, the rate of reaction... a) Increases b) Decreases c) Stays the same 5) An example of a fast chemical reaction is... a) Milk curdling b) Fireworks c) Metal rusting 6) As concentration decreases, the rate of reaction a) Stays the same b) Increases c) Decreases

S2 Chemistry Maze Chase

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