No.
No
Yes, Jello does contain gelatin. Gelatin is a protein derived from collagen found in animal bones and skin, and it is a key ingredient in Jello to give it its gel-like texture.
No it does not contain Nickel, nickel is a metal and butter is made from milk solids (fat).
Because it has less sugar than regular jello. The calories in jello are primarily from sugar, so having no sugar in the jello will significanly reduce calories.
Hematite does not typically contain nickel. It is primarily composed of iron oxide and does not naturally occur with significant amounts of nickel.
That it does not contain any of the metal nickel.
Lime
Nickel ores contain nickel and also iron, magnesium, sulfur, silicon.
No, nickel is an element. Silver is another element. Neither are alloys, silver only contains silver, nickel only contains nickel. "German silver", which is not actually silver, does contain nickel. It's a silver-colored alloy of nickel, copper and zinc.
yes
No. Both are elements. So Aluminium contains only aluminium. Nickel contains only nickel.