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प्रश्न
State two most important conditions for rusting.
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उत्तर
Two most important conditions for msting are (1) presence of air and (2) moisture.
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संबंधित प्रश्न
A metal highly resistant to rusting.
What is rust ?
Write ‘True’ or ‘False’ in front of following statement.
Nitrogen is a gaseous non-metal essential for respiration.
What happens when potassium nitrate is heated ?
Write ‘True’ or ‘False’ in front of following statement.
The rust formed on the surface of iron easily crumbles.
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
Distinguish between:
Combustion & Rusting with suitable word equations only?
Give the main experimental points only to demonstrate that candle-gains weight on burning.
What is meant by burning?
