How many neutrons does niobium have

The table describes how some substances were formed substance 19 description formed by boiling pure water formed by combining three hydrogen atoms to every nitrogen atom formed by adding 5 g of sugar to 1 l of water formed by compressing carbon under high pressure based on the given descriptions, which substance is most likely a mixture?

What conclusion can you draw from this experiment about the components of the black ink?

Reactions in cells take place at about a. 40°c b. 0° c. 100°c d. 60°c