Reactivity Series

What is is oxidation ?

• Gain of electrons

• Loss of electrons

• Gain of oxygen

• Loss of oxygen

What is the order of the first 5 elements in the reactivity series?

• Potassium
  Sodium
  Calcium
  Lithium
  Magnesium

• Potassium
  Sodium
  Lithium
  Calcium
  Magnesium

• Potassium
  Magnesium
  Lithium
  Calcium
  Carbon

• Aluminum
  Lithium
  Calcium
  Hydrogen
  Magnesium

Iron rusts in the presence of?

• Hydrogen
  Water

• Water

• Water
  Carbon dioxide

• Oxygen
  Water

Two elements in group 7

• Chlorine
  Bromine

• Oxygen
  Nitrogen

• Sodium
  Magnesium

• Carbon
  Sulfur

In the reactivity series, which metal is least reactive?

• Gold

• 
  Copper
  

• Silver

• Mercury

What type of reaction occurs when a metal reacts with a non-metal in the reactivity series?

• Displacement reaction

• Combination reaction

• Redox reaction

• Ionic reaction

If metal A displaces metal B from its salt, which of the following statements is correct?

• Metal A is more reactive than metal B

• Metal B is more reactive than metal A

• Both metals have the same reactivity

• None of the above

In the reactivity series, which metal can displace hydrogen from water?

• Iron

• Zinc

• Silver
  

• Lead

What is the physical state of fluorine at room temperature?

• Solid

• Liquid

• Gas

• Semi Solid

Which reaction is a redox reaction?

• The reaction between water and salt is a redox reaction.
• The reaction between iron and oxygen to form rust is a redox reaction.
• The reaction between sugar and water is a redox reaction.
• The reaction between vinegar and baking soda is a redox reaction.