Advertisements
Advertisements
Question
What is rusting?
Advertisements
Solution
The slow conversion of iron into its hydrated ferric oxide, in the presence of moisture and air is called rusting.
Fe2O3 + xH2O → Fe2O3.xH2O
Ferric oxide Water Hydrated ferric oxide
(rust)
APPEARS IN
RELATED QUESTIONS
The process by which oxidation of food in our body takes place is
What happens when Sodium burns in oxygen ? Also give the balanced chemical equation for the reaction.
What happens when Iron burns in oxygen ? Also give the balanced chemical equation for the reaction.
Tick (√ ) the most appropriate answer.
Galvanising is the process of coating iron with a layer of molten :
State how nitrogen is utilised by plants for their growth. Give a reason why nitrogen is used in flushing food packages.
Describe simple experiments to show the presence of -
oxygen and nitrogen component in air using a bell jar
Identify the acidic oxides responsible for acid rain. State how their presence results in formation of acid rain. Give a reason why acid rain damages heritage buildings.
Name the following:
The pollutant which combines with water vapour to give sulphuric acid – a product of acid rain.
Name the following:
The gas required for both combustion and rusting.
In Rockets, along with fuel, oxygen is also carried for combustion – why?
