Reactivity Crossword Puzzle

QUESTIONS LIST:

• displace: the more reactive metal can displace the less reactive metal
• redox: reduction and oxidation
• oxidation: gain of oxygen/ loss of electron
• oxidizing: agent that can oxidize something else
• reducing: agent that can reduce something else
• rust: oxidation of iron in the presence of oxygen and water
• barrier: method to prevent iron rusting by painting
• sacrificial: method to prevent iron rusting by attach a more reactive metal
• galvanizing: iron that is coated with a layer of zinc
• electrolysis: method used to extract aluminium
• reduction: method used to extract metals less reactive than carbon
• native: gold are found () in nature
• alloy: a mixture of a metal with, usually, other metals or carbon