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Science
10th -
12thgrade
Chemistry IGCSE Kanayati Metals Chemical reactions
12 questions
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- 1. Multiple ChoiceMetals that react quickly/strongly with water and acids are called?ReactiveUnreactiveDangerousCorrosive
- 2. Multiple ChoiceHow can you tell that a metal is reacting with water?Colour changeBright lightFizzingIt gets colder
- 3. Multiple ChoiceWhat metal hydroxide is produced when magnesium reacts with water?Copper hydroxideMagnesium oxideMagnesiumMagnesium hydroxide
- 4. Multiple ChoiceWhat gas is always produced when a metal reacts with water?OxygenCarbon dioxideHydrogenCarbon monoxide
- 5. Multiple ChoiceWhat gas is produced when sodium reacts with water?HydrogenCarbon dioxideCarbon monoxideWater vapour
- 6. Multiple ChoiceWhich metal is most likely to react with water or acid?CopperPotassiumMagnesiumIron
- 7. Multiple Choice
If potassium reacts with water what are the 2 products of the reaction?
potassium hydroxide + oxygen
potassium hydroxide + hydrogen
potassium + hydrogen oxide
Potassium hydroxide + hydrogen oxide
- 8. Multiple Choice
What are the reactants if sodium hydroxide and hydrogen are made?
Sodium + oxygen
Sodium + hydrochloric acid
Sodium + sulfuric acid
Sodium + water
- 9. Multiple ChoiceWhat are the reactants for the reaction of metal with acid?
Metal + acid ---> metal salt + hydrogenHydrogenMetal saltMetalMetal and acid - 10. Multiple ChoiceWhat are the products for the reaction of metal with acid?
Metal + acid ---> metal salt + hydrogenMetal salt and hydrogenMetal saltMetalAcid - 11. Open Ended
2.what is an unreactive metal? Name one example.
- 12. Multiple Choice
Name one metal that reacts with water and acid:
Sodium
Magnesium
Iron
Gold
- Answer choicesTagsAnswer choicesTags