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प्रश्न
Give an example of a chemical reaction for the following situation:
Sound is produced
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उत्तर
Burning of crackers produces a loud sound.
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संबंधित प्रश्न
Which metals do not corrode easily?
What special name is given to the corrosion of iron?
Tiffin boxes are electroplated with ______ but car bumpers are electroplated with ______ to protect them from rusting.
State whether the statement given below is true or false. If false write the correct statement.
Either oxygen or moisture is essential for rusting.
Write a short note on Alloying.
When one of the metals in an alloy is mercury the alloy is called _______.
Write the name.
Method used to prevent corrosion of copper.
Draw a neat labelled diagram.
Electroplating
Observe the following diagram and write answers.
- Name the method.
- Explain the method.
- Give two examples of this method.
Which among the following alloys contain mercury as one of its constituents?
