Chemistry
Grade-10
Easy
Question
What type of chemical reaction is rusting of iron?
- Combination reaction
- Decomposition reaction
- Single Replacement reaction
- Redox reaction
Hint:
Reaction of iron with oxygen gives iron oxide.
The correct answer is: Redox reaction
- Rusting is the brown brittle coating on iron substance due to reaction with moisture.
- Iron reacts with oxygen to form iron oxide.
- The chemical reaction of rusting of iron is redox reaction.
4Fe + 3O2 
2Fe2O3
- Iron is oxidized and oxygen is reduced.
Related Questions to study
Chemistry
The safe effect of the corrosion is
The safe effect of the corrosion is
ChemistryGrade-10
Chemistry
Galvanizing is:
Galvanizing is:
ChemistryGrade-10
Chemistry
What is the chemical name given to Rust ?
What is the chemical name given to Rust ?
ChemistryGrade-10
Chemistry
What two things cause Iron to Rust ?
What two things cause Iron to Rust ?
ChemistryGrade-10
Chemistry
Similarities between corrosion and rancidity are
Similarities between corrosion and rancidity are
ChemistryGrade-10
Chemistry
Examples of corrosion are
Examples of corrosion are
ChemistryGrade-10
Chemistry
Which of the following methods is not used for the prevention of corrosion?
Which of the following methods is not used for the prevention of corrosion?
ChemistryGrade-10
Chemistry
Which of these objects would be affected by corrosion?
Which of these objects would be affected by corrosion?
ChemistryGrade-10
Chemistry
A substance added to food containing fats and oils to prevent rancidity is called:
A substance added to food containing fats and oils to prevent rancidity is called:
ChemistryGrade-10
Chemistry
The gasses that can be used for the storage of food products are
The gasses that can be used for the storage of food products are
ChemistryGrade-10
Chemistry
The condition produced by aerial oxidation of fats and oils in foods marked by unpleasant smell and taste is called:
The condition produced by aerial oxidation of fats and oils in foods marked by unpleasant smell and taste is called:
ChemistryGrade-10
Chemistry
Among the following that is not a method to prevent corrosion?
Among the following that is not a method to prevent corrosion?
ChemistryGrade-10
Chemistry
What are the coefficients that would properly balance this equation?
__Ca + __H2O → __Ca(OH)2 + __H2
What are the coefficients that would properly balance this equation?
__Ca + __H2O → __Ca(OH)2 + __H2
ChemistryGrade-10
Chemistry
How many aluminum atoms are in Al2(SO4)3?
How many aluminum atoms are in Al2(SO4)3?
ChemistryGrade-10
Chemistry
Is this equation balanced?
Is this equation balanced?
ChemistryGrade-10
