Podcast
Questions and Answers
What is the product formed when zinc reacts with oxygen?
What is the product formed when zinc reacts with oxygen?
- Zinc nitrate
- Zinc sulfide
- Zinc hydroxide
- Zinc oxide (correct)
What property of zinc oxide makes it an effective protective layer?
What property of zinc oxide makes it an effective protective layer?
- Reactivity
- Non-porousness (correct)
- Porosity
- Porousness
What is the purpose of galvanizing steel?
What is the purpose of galvanizing steel?
- To protect it from corrosion (correct)
- To make it more durable
- To change its color
- To increase its strength
Where are galvanised flooring commonly used?
Where are galvanised flooring commonly used?
What accelerates rusting?
What accelerates rusting?
What makes the environment near the ocean more corrosive?
What makes the environment near the ocean more corrosive?
Where can galvanised watering cans be commonly found?
Where can galvanised watering cans be commonly found?
What happens when the zinc coating is scratched?
What happens when the zinc coating is scratched?
What is the primary reason for rust formation?
What is the primary reason for rust formation?
What is the main purpose of painting metal?
What is the main purpose of painting metal?
What is the disadvantage of using paint to prevent rust?
What is the disadvantage of using paint to prevent rust?
What is the purpose of coating iron with chromium?
What is the purpose of coating iron with chromium?
What is the process of coating iron with a thin layer of zinc?
What is the process of coating iron with a thin layer of zinc?
What is an example of a material that can be used as a barrier to prevent rust?
What is an example of a material that can be used as a barrier to prevent rust?
Why is chromed metal resistant to rust?
Why is chromed metal resistant to rust?
What is the primary function of a barrier in preventing rust?
What is the primary function of a barrier in preventing rust?
Why is galvanising with zinc effective in preventing rust?
Why is galvanising with zinc effective in preventing rust?
What happens when the paint on a metal surface is scratched or peeled off?
What happens when the paint on a metal surface is scratched or peeled off?
What is the advantage of using chromed metal over galvanised metal?
What is the advantage of using chromed metal over galvanised metal?
Why does rust form on metal surfaces?
Why does rust form on metal surfaces?
What is the common feature of chromed metal and galvanised metal?
What is the common feature of chromed metal and galvanised metal?
What is the outcome of oxidisation of iron?
What is the outcome of oxidisation of iron?
What is the chemical equation for the reaction between zinc and oxygen?
What is the chemical equation for the reaction between zinc and oxygen?
What is the primary function of galvanised products?
What is the primary function of galvanised products?
Which of the following environments is most conducive to rusting?
Which of the following environments is most conducive to rusting?
What type of oxide layer is formed when zinc reacts with oxygen?
What type of oxide layer is formed when zinc reacts with oxygen?
What is a common application of galvanised panels?
What is a common application of galvanised panels?
What happens to the underlying zinc when the galvanised coating is scratched?
What happens to the underlying zinc when the galvanised coating is scratched?
What accelerates rusting in industrial areas?
What accelerates rusting in industrial areas?
What is a common use of galvanised nuts and bolts?
What is a common use of galvanised nuts and bolts?
What is the primary mechanism by which paint prevents rust?
What is the primary mechanism by which paint prevents rust?
What is the main advantage of using chromium coating over galvanising with zinc?
What is the main advantage of using chromium coating over galvanising with zinc?
What happens when the zinc coating on a galvanised metal is scratched or peeled off?
What happens when the zinc coating on a galvanised metal is scratched or peeled off?
What is the primary reason why chromed metal is resistant to rust?
What is the primary reason why chromed metal is resistant to rust?
What is the main limitation of using paint as a barrier to prevent rust?
What is the main limitation of using paint as a barrier to prevent rust?
What is the primary function of a barrier in preventing rust?
What is the primary function of a barrier in preventing rust?
Why is galvanising with zinc effective in preventing rust?
Why is galvanising with zinc effective in preventing rust?
What is the primary reason why galvanised products are preferred in construction and household items?
What is the primary reason why galvanised products are preferred in construction and household items?
What is the result of the reaction between zinc and oxygen?
What is the result of the reaction between zinc and oxygen?
Why does rusting occur more rapidly in environments with high humidity and salt presence?
Why does rusting occur more rapidly in environments with high humidity and salt presence?
What is the primary advantage of using galvanised products over other corrosion protection methods?
What is the primary advantage of using galvanised products over other corrosion protection methods?
What is the primary difference between the oxide layer formed by zinc and chromium?
What is the primary difference between the oxide layer formed by zinc and chromium?
Why do galvanised products continue to protect the underlying metal even when scratched?
Why do galvanised products continue to protect the underlying metal even when scratched?
What is the common feature of environments that accelerate rusting?
What is the common feature of environments that accelerate rusting?
What is the primary benefit of using galvanised products in industrial settings?
What is the primary benefit of using galvanised products in industrial settings?
