Sg Chemistry - Topic 11: Metals

10 Questions | By Lslater | Last updated: Mar 21, 2022 | Total Attempts: 211

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SG Chemistry - Topic 11: Metals

Questions and Answers

1.

In what state(s) do metals conduct electricity?
- A.
  
  Solid
- B.
  
  Liquid
- C.
  
  Gas
- D.
  
  None of the above
2.

Aluminum is used in the manufacture of aircraft parts. Which properties would be important for this use?
- A.
  
  Electrical conductor
- B.
  
  Thermal conductor
- C.
  
  Low density
- D.
  
  Ductile
- E.
  
  Strong
3.

Stainless steel is used to make many useful objects like cutlery and sinks. It is made from a mixture of iron, chromium and nickel. What type of substance is stainless steel?
4.

Place the metals in order of reactivity (most reactive first).
5.

Name the gas produced during this reaction of metal + acid.
6.

Choose the alloy from the selection given.
- A.
  
  Copper
- B.
  
  Brass
- C.
  
  Magnesium
- D.
  
  Plastic
7.

Put these metals in order of reactivity (most reactive first)Zinc, Tin, Copper, Aluminium, Sodium, Magnesium, Iron
8.

Complete the general word equation:Metal + oxygen -->
9.

Complete the word equation:Sodium + water --> ? + hydrogen
10.

When magnesium reacts with sulphuric acid, which of the following word equations represents this reaction.
- A.
  
  Magnesium + suphuric acid --> magnesium sulphide + water
- B.
  
  Magnesium + suphuric acid --> magnesium sulphate + water
- C.
  
  Magnesium + suphuric acid --> magnesium sulphide + hydrogen
- D.
  
  Magnesium + suphuric acid --> magnesium sulphate + hydrogen

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