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प्रश्न
Give a reason why oiling or greasing is done on the exposed moving iron parts of machinery and not preferred on heavy stationary iron parts.
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उत्तर
Oiling or greasing is done on the exposed moving iron parts of machinery to avoid rusting and reducing friction whereas it is not preferred on heavy stationary iron parts as red lead oxide paint is used in heavy stationary iron.
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संबंधित प्रश्न
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\[\ce{KClO3 ->[heat] ?? + O2}\]
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State a specific reason for using lead in bullets
State a specific reason for using magnesium in fireworks.
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Galvanized steel is not used for articles used for edible applications.
Give word equation for the reaction of Non-metal:
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Give word equation for the reaction of Non-metal:
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Give word equation for the reaction of metal is:
sodium
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