Advertisements
Advertisements
प्रश्न
A man painted his main gate made up of iron, to
- prevent it from rusting.
- protect it from sun.
- make it look beautiful.
- make it dust free.
Which of the above statement(s) is/are correct?
पर्याय
(i) and (ii)
(ii) and (iii)
only (ii)
(i) and (iii)
Advertisements
उत्तर
(i) and (iii)
Explanation:
Painting can prevent rusting and the objects look more beautiful.
APPEARS IN
संबंधित प्रश्न
Write two methods of preventing the rusting of iron.
Name any three objects (or structures) which are gradually damaged by the corrosion of iron and steel.
Give the constituents of brass.
Name a common metal which is highly resistant to corrosion.
Give reason.
A wooden article should be polished.
When one of the metals in an alloy is mercury the alloy is called _______.
Write the name.
An alloy of copper and tin-
Draw a neat labelled diagram.
Electrolysis
Complete flow chart given below.
State two conditions necessary for rusting of iron.
