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Question
Give reason.
A wooden article should be polished.
Solution
A wooden article should be polished because it protects the wooden article from sunlight and all other external conditions and also reduces the probability of wooden mites damaging the furniture.
RELATED QUESTIONS
The chemical reaction involved in the corrosion of iron metal is that of:
(a) oxidation as well as displacement
(b) reduction as well as combination
(c) oxidation as well as combination
(d) reduction as well as displacement
Name any two metals which do not corrode easily.
Explain how the activity series accounts for each of the following:
tendency to corrosion
Corrosion of silver causes a black layer of _______.
_______ forms a green colour in the water.
Bronze : _______ : : Stainless steel : Fe + Cr + C
Observe the following figure and write the answer of the question.
- Which process is shown in the figure?
- Explain the chemical reaction shown in the figure.
- Write the reactions on anode and cathode.
Give preventive methods by giving examples of corrosion?
Copper objects lose their shine and form green coating of ____________.
Galvanisation is a process used to prevent the rusting of which the following?
