No student devices needed. Know more
5 questions
Name the metal which is used for galvanising iron.
Al
Cu
Zn
Co
Ways to prevent the rusting of iron are:
Painting
Oiling
Greasing
All of the Above
Conditions necessary for rusting of iron are ___________________ .
Presence of oxygen
presence of moisture
Both 1 and 2
None of the above
Name an alloy of lead and tin.
Calamine
Oxide
Solder
Turmeric
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
Explore all questions with a free account