Q. Which among the given is used in welding broken pieces of iron rails& machine parts -

  • (A) Aluminium powder
  • (B) Aluminium sulphate
  • (C) Solder
  • (D) None of the above
✅ Correct Answer: (A) Aluminium powder

Published by Ram Sharma ⭐ 193.88K Points at 11-Mar-2022 05:08 pm in Science

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