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- Multiple ChoicePlease save your changes before editing any questions.How can you tell that a metal is reacting with water?Colour changeBright lightFizzingIt gets colder
- Multiple ChoicePlease save your changes before editing any questions.How can you test to show that when a metal reacts with water, hydrogen gas is produced?Relights a glowing splintA lit splint produces a squeaky popPuts out a burning splintIs cold to the touch
- Multiple ChoicePlease save your changes before editing any questions.
Complete the general equation:
Metal + Acid ->
Salt + Water
Salt + Hydrogen
Salt
- Multiple ChoicePlease save your changes before editing any questions.
Complete the general equation:
Metal + Water ->
Salt + Water
Metal Hydroxide + Hydrogen
Metal hydroxide + Water
Salt + Hydrogen
- Multiple ChoicePlease save your changes before editing any questions.
Complete the equation:
Sodium + Hydrochloric Acid ->
Sodium Hydroxide + Hydrogen
Sodium Chloride + Hydrogen
Chloric Sodium + Hydrogen
Sodium Chloride + Water
- Multiple ChoicePlease save your changes before editing any questions.
Complete the equation:
Potassium + Nitric Acid ->
Potassium Hydroxide + Hydrogen
Potassium Chloride + Hydrogen
Potassium Nitrate + Hydrogen
Nitric Potassium + Hydrogen
- Multiple ChoicePlease save your changes before editing any questions.What gas is produced when sodium reacts with water?HydrogenCarbon dioxideCarbon monoxideWater vapour
- Multiple ChoicePlease save your changes before editing any questions.
Complete the equation:
Potassium + Water ->
Potassium Hydroxide + Hydrogen
Potassium Chloride + Hydrogen
Potassium Hydroxide + Water
Nitric Potassium + Hydrogen
- Multiple ChoicePlease save your changes before editing any questions.Which salt will be produced if magnesium react with hydrochloric acid?Magnesium oxideMagnesium sulfateMagnesium sulfideMagnesium chloride
- Multiple ChoicePlease save your changes before editing any questions.
Will a displacement reaction occur?
Copper Oxide + Magnesium ->
Yes
No
- Multiple ChoicePlease save your changes before editing any questions.
Will a displacement reaction occur?
Magnesium Sulphate + Zinc ->
Yes
No
- Multiple ChoicePlease save your changes before editing any questions.
Will a displacement reaction occur?
Iron Sulphate + Calcium ->
Yes
No