Yes.
Okay, let's take the basics: There is no such thing as "copper sulfate baking powder", as it would be poisonous. I can think of no way to relate elemental nickel to the fictitious "copper sulfate baking powder".
Yes. It consists of nickel, nickel, and nickel.
Hydrogen is not poisonous.
A poisonous mushroom is a poisonous mushroom
A poisonous mushroom is a poisonous mushroom
If it is a US nickel, it is 25% nickel, 75% copper. If it is a Canadian nickel I believe it is 100% nickel.
no its not poisonous, it only bites
non-poisonous
It is made of copper and nickel. A 1949 NICKEL is made from copper & nickel.
It's nickel (II) Phosphate
They are not poisonous.