The galvanised iron pipes are coated with
Answer : D. zinc
Galvanised iron sheets are protected from rusting due to the presence of a layer of
Answer : C. zinc
The constituent of bronze
Answer : D. Copper and Tin
Which one of the following materials is very hard and ductile?
Answer : B. Tungston
Which one of the following iron alloys crack easily?
Answer : B. Cast Iron
Which one of the following is the purest form of iron?
Answer : D. Wrought iron