20 whats of kosher "acholol"? 20 ounces? Darn right you will. 20 ml? Probably not. In any case it makes no difference whether the alcohol is kosher or treif.
It would be kosher if it came from a kosher animal.
When correctly slaughtered, goat is a kosher meat.
It would have to be certified kosher for Passover.
There are kosher brands of l-taurine supplements. You would have to check the packaging for kosher certification.
Whey is a dairy product, made from milk and can be kosher. As this is a processed food product, it would require kosher certification to be considered kosher.
It would be kosher if it has BOTH fins and scales
If you mean truffles infused with wine, it would be kosher if the wine is kosher (and the processing pots or vessels had not previously handled non-kosher foods).
A lot of their products are kosher, you would have to check the package for certification.
It would have to say "Kosher for Passover" on the can.
Yes, if the breads come from the same kosher companies
Raw carrots are kosher, as long as the utensils used to cut it are clean (although some would insist that the utensils must be kosher as well). People who keep strictly kosher will not eat food that has been cooked with any non-kosher product. They would also not eat it if it was cooked in a non-kosher pot.
Yes, unless there are any added ingredients which are not kosher. Not all brands of tuna are kosher so you would have to check for a valid hechsher (kosher symbol) on the packaging.