Question 0
Which of the following combination of gases is used for metal welding? i. Oxygen and ethyne, ii. Hydrogen and ethyne, iii. Hydrogen and oxygen, iv. Ethyne, hydrogen and oxygen.
Objective
Question details
- Exam body
- JAMB
- Subject
- Chemistry
- Year
- 1992
- Question no.
- #0
- Type
- Objective
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