1. Black colour
  2. White colour
  3. Maroon colour
  4. Yellow colour
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1 Answers

Answer: Option 3

The acetylene cylinder is usually painted with Maroon colour An acetylene cylinder has a different design from most other gas cylinders. It consists of a steel shell containing a porous mass. The acetylene gas in the cylinder is dissolved in acetone which is absorbed by the porous mass.

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