Question

1.Thermite is the mixture of metal oxide and
aluminium in the ratio:
a) 1:3
b) 3:1
c) 2:3
d) 3:2

2. In froth floatation process, sulphide ore is heated in
a) Presence of air b) Absence of air
c) Both
d) None​

Answer 1

Answer:

here is your answer...

1) b) 3:1

2) a) in the presence of air

hope it helps you