MCQOPTIONS
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| 1. |
Which of the following statements about bio-gas is INCORRECT? |
| A. | Bio-gas burns without smoke and leaves no residue. |
| B. | Bio-gas contains less than 1% methane. |
| C. | Bio-gas is also known as ‘gobar-gas’. |
| D. | Plant parts, vegetable waste and sewage are used in the production of bio-gas. |
| Answer» C. Bio-gas is also known as ‘gobar-gas’. | |