Grills of doors and windows are always painted before they are used? Give reason.

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Solution

Grills of doors and windows are always painted before they are used. This will prevent corrosion. If not painted, the grills will come in contact with air and rain water and will corrode.

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Similar questions

Q. Why the grills of doors and windows are always painted before used?

Give scientific reasons:

(1) Grills of doors and windows are always painted before they are used.

(2) Physical states of reactants and products are mentioned while writing a chemical equation.

(3) Potassium Ferrocyanide is stored in dark coloured bottles and kept away from sunlight.

(4) Iron articles rust readily whereas steel which is also mainly made of iron will not undergo corrosion.

(5) Edible oil is not allowed to stand for a long time in an iron or tin container.

Q. Why are iron grills painted frequently?

The dimensions of a room are $14 m \times 10 m \times 6.5 m$ .There are two doors and 4 windows in the room.Each door measures $2.5 m \times 1.2 m$ and window measures $1.5 m \times 1 m$ .Find the cost of painting walls of the room ar Rs.35 per $m^{2}$ .

Q. Very Short Answer Type :
Jamming of wooden doors and windows takes place during rainy season. Give reason.

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