Question

Paul’s iron grill was turning brownish. His father told him it was

getting rusted. Apparently when iron is kept out in open for a

long time, this phenomenon happens. Paul is still not sure what

rust is and comes to you for help. You would tell him that rust

is........... (pick the correct option from the ones given below to

fill in the blank) (2)

(A) an element

(B) a mixture of iron, water vapour and oxygen

(C) a compound

(D) mixture of iron and dust

Answer 1

a mixture of iron water vapour and oxygen

Answer 2

It will be (B) a mixture of iron, water vapour and oxygen