Yes. Ice cream can be prepared in a kosher way and is often certified kosher.
However, Jews who observe the laws of kashrut (kosher) do not eat dairy products (including ice cream) with or right after meat products. There is a minimum waiting period, which is, depending on your tradition, 1, 3 or 6 hours long.
Yes.
Only if the potatoes are "creamed" with margarine or something similar, that is non-dairy.
Jews who eat kosher will not eat snails since snails are not kosher. However, not all Jews eat according to the laws of kashrut, so some Jews do eat snails.
in the freezer!
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Observant Jews do not eat crayfish.
Jews eat and drink food and beverages just like any other person. Religiously observant Jews would require all consumables to be kosher.
Muslims and Jews don't eat pork. Muslims eat shellfish, but Jews don't.
Orthodox Jews are only allowed to eat kosher foods.
Jews eat food -- observant Jews attempt to keep the laws of kashrut by eating kosher food. When? Many Jews eat 3 meals a day with occasional snacks. Some skip breakfast.
no, it is because God's Torah forbids Jews to eat pork. Non-Jews are permitted to eat it.
Yes, Jews can eat chicken. Religiously observant Jews would require that the chicken be kosher.