Question

Nidhi was gifted a bicycle on her birthday. Now she is wondering how and why the bicycle has shiny handlebars and wheel rims

Answer 1

Answer:

This is because the handles are electroplated with chromium.  

Explanation:

Chromium is a less reactive but shiny metal so the are used to electroplate the the handle and wheel rim.

Answer 2

The bicycle has shiny handlebars and wheel rims because they are electroplated.

Explanation:

• The handlebars and wheel rims are made by the metals of iron and aluminium.
• Due to the expose of air, the handlebar and wheel rims gets corroded.
• Hence, to avoid corrosion, the handle bars and wheel rims are coated by electroplating.
• Electroplating is done with chromium or nickel and thus it has shiny handlebars and wheel rims.
• If it gets scratched, then the electroplated chromium or nickel will be removed.
• Chromium or nickel plating provides corrosion and increase the lifespan of metal.