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- Multiple ChoicePlease save your changes before editing any questions.
Which of the following is MOST reactive?
Magnesium
Lead
Tin
Copper
Zinc
- Multiple ChoicePlease save your changes before editing any questions.
Which metal is more reactive than calcium?
magnesium
potassium
silver
aluminum
- Multiple ChoicePlease save your changes before editing any questions.
Choose the least reactive metal
calcium
magnesium
iron
copper
- Multiple ChoicePlease save your changes before editing any questions.
What does displacement mean?
A chemical reaction where a less reactive metal takes the place of a more reactive metal in a compound.
A chemical reaction where a more reactive metal takes the place of a less reactive metal in a compound.
A more reactive metal is removed from a compound.
- Multiple ChoicePlease save your changes before editing any questions.
Magnesium chloride + Sodium → ?
Sodium chloride + Magnesium
Magnesium chloride + Sodium (No change)
Sodium magnesium + Chlorine
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Lithium chloride + Iron → ?
Lithium chloride + Iron (No change)
Iron chloride + Lithium
Lithium oxide + hydrogen
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Zinc sulphate + Magnesium → ?
Magnesium + Sulphur + Hydrogen
Zinc sulphate + Magnesium
Magnesium sulphate + Zinc
- Multiple ChoicePlease save your changes before editing any questions.
Iron nails + copper oxide → ?
Iron nails + copper oxide
Iron oxide + copper oxide
Iron oxide + copper
Magic
- Multiple ChoicePlease save your changes before editing any questions.Which of the following is arranged according increasing reactivity?Mg > Li > Na > KMg > Na > Li > KNa > Li > Mg > KK > Mg > Na > Li
- Multiple ChoicePlease save your changes before editing any questions.Which one of the following equations correctly represents the reaction of silver nitrate with copper metal?CuNO3(aq) + Ag(s) → Cu(s) + AgNO3(aq)Cu(s) + 2 AgNO3(aq) → Cu(NO3)2(aq) + 2 Ag(s)Cu(s) + AgNO3(aq) → CuNO3(aq) + Ag(s)Cu(s) + Ag(NO3)2(aq) → Cu(NO3)2(aq) + Ag(s)
- Multiple ChoicePlease save your changes before editing any questions.When scrap iron is added to blue copper sulphate solution, a pinky-brown deposit is formed and a pale green solution is left above it. The pale green solution is of?iron oxidecopper chloridesulphuric acidiron sulphate
- Multiple ChoicePlease save your changes before editing any questions.If the metal is more reactive than the metal in the compound it completes with the less reactive metal. Therefore, it can concluded that ...The less reactive metal repel the more reactive metal from its compoundThe more reactive metal bonded with the less reactive metal from its compoundThe less reactive metal pushes out or displaces the more reactive metal from its compoundThe more reactive metal pushes out or displaces the less reactive metal from its compound
- Multiple ChoicePlease save your changes before editing any questions.What will be reaction if less reactive metal is added in a solution with more reactive metal compound?vigorous reactionfizzing gas producedburns moderatelyno reaction
- Multiple ChoicePlease save your changes before editing any questions.Which of the following will not undergo reaction?zinc metal + zinc oxideiron metal + copper oxidezinc metal + iron oxidemagnesium + iron oxide
- Multiple ChoicePlease save your changes before editing any questions.When a metal reacts with oxygen gas, the product is ...metal hydroxidemetal oxidemetal oxide and oxygenmetal hydroxide and hydrogen gas