Because of this symmetrical geometry, CCl 4 is non-polar. Methane gas has the same structure, making carbon tetrachloride a halomethane. As a solvent, it is well suited to dissolving other non-polar compounds, fats, and oils. It can also dissolve iodine.
The best sources of Vitamin B 12 include: eggs, milk, cheese, milk products, meat, fish, shellfish and poultry. Some soy and rice beverages as well as soy based meat substitutes are fortified with vitamin B12. To see if a product contains vitamin B 12 check the Nutrition Facts on the food label.
Good food sources: Wholegrain cereals, especially bread, fortified breakfast cereals, porridge oats and brown rice, are good sources of vitamin B1. Other foods that contain this vitamin include dairy products, yeast extract, pulses, nuts, seeds, red meat (especially pork) and offal.