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- 1. Multiple ChoiceA green substance is heated. It turns black and a gas is given off.
Is this a decomposition reaction?YesNo - 2. Multiple ChoiceTwo solutions are mixed together. A white solid is formed.
Is this a decomposition reaction?YesNo - 3. Multiple ChoiceYou burn a piece of toast. It turns black.
Is this a decomposition reaction?YesNo - 4. Multiple ChoiceOne colourless liquid is added to another colourless liquid. They turn pink.
Is this a decomposition reaction?YesNo - 5. Multiple ChoiceCalcium carbonate is heated. Calcium oxide is formed and carbon dioxide is given off.
Is this a decomposition reaction?YesNo - 6. Multiple ChoiceA solution of silver nitrate is added to a solution of potassium chloride. A white solid of silver chloride is formed.
Is this a decomposition reaction?YesNo - 7. Multiple ChoiceMagnesium Oxide --> magnesium + oxygen
Is this a decomposition reaction?YesNo - 8. Multiple Choicemagnesium + oxygen --> magnesium oxide
Is this a decomposition reaction?YesNo - 9. Multiple Choicewater --> hydrogen + oxygen
Is this a decomposition reaction?YesNo - 10. Multiple Choicehydrogen + oxygen ---> water
Is this a decomposition reaction?YesNo - 11. Multiple Choice
The best thing about today is Science class!
Yes
No
Depends on what we are having for dinner.
Sometimes
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