You will need a copy of the periodic table!

1. Four metals, W, X, Y and Z, were added separately to water and to dilute hydrochloric acid. The observations are given in the table below:

Metal Reaction with water Reaction with acid
W No reaction No reaction
X Bubbles slowly Bubbles vigorously
Y No reaction Bubbles slowly
Z Bubbles slowly Bubbles slowly

What is the order of reactivity of these metals from most to least reactive?

  
  • A.   X , Z , W , Y
  • B.   X , Z , Y , W
  • C.   X , Y , Z , W
  • D.   W , Y , Z , X

2. The following powdered metal and metal oxide mixtures were heated strongly :

I. Magnesium + zinc oxide
II. Copper + iron(III)oxide
III. Zinc + copper(II)oxide

Which of the mixtures would react?

  
  • A.   I and II only
  • B.   I and III only
  • C.   II and III only
  • D.   I, II and III

Q3-4:
The reactivity of three different metals, P, Q and R, were investigated by reacting the metals with each other’s sulfate solutions.
The results are given in the table below. A tick indicates a reaction and a cross indicates no reaction.

  Metal P Metal Q Metal R
Sulfate of P x x ✔
Sulfate of Q ✔ x ✔
Sulfate of R x x x

 

  
3. What is the order of reactivity of these metals from most to least reactive?
  • A.  R, P, Q
  • B.  Q, P, R
  • C.  P, Q, R
  • D.  R, Q, P
4. The metal sodium cannot be used in this investigation.

 

 

 Sodium metal in oil
W. Oelen | CC 3.0
The reason that sodium cannot be used is..
  • A.   sodium is stored under oil
  • B.   sodium does not form a sulfate salt
  • C.   sodium will react vigorously with the water in the solution
  • D.   sodium is too expensive

Q5-8:
A strip of copper metal was placed in a boiling tube containing silver nitrate solution and left to react.

  
5. The balanced equation for this reaction is ….
  • A. Cu(s) + AgNO3(aq) → CuNO3(aq) + Ag(s)
  • B. Cu(s) + 2AgNO3(aq) → Cu(NO3)2(aq) + 2Ag(s)
  • C. 2Cu(s) + Ag(NO3)2(aq) → 2CuNO3(aq) + Ag(s)
  • D. Cu(s) + Ag(NO3)2(aq) → Cu(NO3)2(aq) + Ag(s)

6. What two observations would you expect to make during this reaction?

  Observation 1 Observation 2
A bubbles colourless solution turns pale blue
B bubbles blue solution turns colourless
C Grey coating on the copper colourless solution turns pale blue
D Grey coating on the copper blue solution turns colourless

7. In this reaction explain whether the copper is oxidized or reduced.

  Copper is.. Because copper..
A oxidised Lost electrons
B oxidised Gained electrons
C reduced Lost electrons
D reduced Gained electrons
8. This reactions shows us that..
  • A.   copper is more reactive than silver
  • B.   silver is more reactive than copper
  • C.   copper is more reactive than silver nitrate
  • D.   silver nitrate is more reactive than copper

9. Which of the following is true about group 1 and 2 metals?

  Group 1 Group 2
A Na is more reactive than Li Mg is more reactive than Ca
B Na is more reactive than Li Mg is less reactive than Ca
C Na is less reactive than Li Mg is more reactive than Ca
D Na is less reactive than Li Mg is less reactive than Ca
10. A student used zinc and dilute sulfuric acid in the following experiment to collect a sample of hydrogen gas:

zinc reacting with sulfuric acid

  

Which two other metals could the student have safely used to produce a sample of hydrogen?

  • A.   copper and silver
  • B.   potassium and magnesium
  • C.   lithium and copper
  • D.   magnesium and iron