Question

. Which of the following is used in
welding broken pieces of iron
rails and machine parts?
(1) Aluminium sulphate
(2) Solder
(3) Aluminium powder
(4) None of the above

what is the ans?​

Answer 1

Answer:

aluminium powder

Explanation:

It keeps the material solid and donot allow it to separate

Answer 2

Answer:

Hey mate,

HERE IS YOUR ANSWER......

Explanation:

Aluminium powder is used in welding broken pieces of iron rails and machine parts.....