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Science
10th
grade
Corrosion and its Prevention | Metals and Non-Metals | Assessment | English | Grade 10
5 questions
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- 1. Multiple Choice
Name the metal which is used for galvanising iron.
Al
Cu
Zn
Co
- 2. Multiple Choice
Ways to prevent the rusting of iron are:
Painting
Oiling
Greasing
All of the Above
- 3. Multiple Choice
Conditions necessary for rusting of iron are ___________________ .
Presence of oxygen
presence of moisture
Both 1 and 2
None of the above
- 4. Multiple Choice
Name an alloy of lead and tin.
Calamine
Oxide
Solder
Turmeric
- 5. Multiple Choice
Amalgam is ________________.
an alloy of one metal with hydrogen
an alloy of mercury metal with one or more other metals
alloy with tin
None of the above
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