Which two of the following are properties of iron (steel), that make it suitable for building bridges?
Which two of the following are properties of iron (steel), that make it suitable for building bridges?
Which two of the following are properties of iron (steel), that make it suitable for building bridges?
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
4 | arrow_right_alt | Au (gold) |
1 | arrow_right_alt | Ca (calcium) |
2 | arrow_right_alt | Cu (copper) |
3 | arrow_right_alt | Ti (titanium) |
1 =
2=
3 =
4 =
Sodium + water produces:
Sodium + hydrochloric acid produces:
The reaction of sodium with water is:
The reaction of sodium with water is:
Based on the answer to the last two questions place the following in order of reactivity from most reactive to least reactive
Potassium
Sodium
Zinc
metals are found in the Earth’s crust as the uncombined elements.
metals are found in the earths crust as compounds.
would be found as the uncombined element
would be found as the compound
Oxidation is the ____________ of oxygen.
Reduction is the _____________ of oxygen.
Extraction of gold metal from an ore involves:
Extraction of aluminium metal from an ore involves:
Extraction of iron metal from an ore involves:
Metals above carbon in the reactivity series are extracted using:
Metals below carbon in the reactivity series are extracted using:
The method used to extract a metal from its compounds depends on ......
Aluminium is extracted from bauxite using:
Hint you saw a demonstration of this in Year 8
Iron is extracted from haematite using:
Using plants to extract copper from low-grade ore is called:
Using bacteria to extract copper from low-grade ore is called:
More reactive metals resistant to corrosion than less reactive metals?
Less reactive metals resistant to corrosion than less reactive metals?
Which of the following are advantages of recycling metals?
Hint use the mark allocation to guide you.
Which of the following are part of a life cycle assessment?
Hint use the marks to guide you!
