The correct answer is: A. Glycerol
Glycerol is a colorless, odorless, viscous liquid that is sweet-tasting and non-toxic. It is a byproduct of the production of biodiesel and is also found in natural fats and oils. Glycerol is used in a variety of products, including cosmetics, pharmaceuticals, and explosives.
Methanol is a colorless, flammable liquid that is used as a solvent, fuel, and antifreeze. It is also used in the production of biodiesel and other chemicals. Methanol is not used in the production of explosives.
Urea is a white, crystalline solid that is used as a fertilizer, animal feed additive, and in the production of plastics and other chemicals. Urea is not used in the production of explosives.
Oxalic acid is a colorless, odorless, crystalline solid that is used as a cleaning agent, rust remover, and in the production of other chemicals. Oxalic acid is not used in the production of explosives.
Here is a table that summarizes the information about each option:
| Option | Description | Used in the production of explosives? |
|—|—|—|
| Glycerol | A colorless, odorless, viscous liquid that is sweet-tasting and non-toxic. It is a byproduct of the production of biodiesel and is also found in natural fats and oils. Glycerol is used in a variety of products, including cosmetics, pharmaceuticals, and explosives. | Yes |
| Methanol | A colorless, flammable liquid that is used as a solvent, fuel, and antifreeze. It is also used in the production of biodiesel and other chemicals. Methanol is not used in the production of explosives. | No |
| Urea | A white, crystalline solid that is used as a fertilizer, animal feed additive, and in the production of plastics and other chemicals. Urea is not used in the production of explosives. | No |
| Oxalic acid | A colorless, odorless, crystalline solid that is used as a cleaning agent, rust remover, and in the production of other chemicals. Oxalic acid is not used in the production of explosives. | No |