pill
No
Seroquel is only available in pill dosage form. So , No it does not come in liquid form.
It can come in tablet form or capsule
"Anesthesia" does not come in pill form - it is an intravenous drug (or sometimes a gas). You may be thinking of a "sedative", some of which do come in pill form, but is very different to anesthesia.
If you crush a pill then yes, it can be in powder form.
yes, you can buy them at onlinepharmacy.com without a prescription
Yes, baking soda can come in pill form as an antacid to help neutralize stomach acid and relieve heartburn. These pills are typically taken with water according to the dosage instructions.
I am not sure what form they come in, but you can obtain fertility medication from a licensed physician.
Tokamak
Many have it stamped into the pill itself; others only come in certain amounts and each strength has a different form of pill. For most, you have to rely on the packaging. If you don't have the packaging it came in, don't trust it.
'pill' in this instance is short for the current British slang 'pillock', which is derived from the older form 'pillicock' - yet another slang word for penis, applied to a stupid, worthless, or annoying person.