Examples of index fossils. Index fossils (also known as guide fossils, indicator fossils or zone fossils) are fossils used to define and identify geologic periods (or faunal stages).
Methyl cellulose. Methyl cellulose (or methylcellulose) is a chemical compound derived from cellulose. It is a hydrophilic white powder in pure form and dissolves in cold (but not in hot) water, forming a clear viscous solution or gel.
Glucose is a NON-ELECTROLYTE. Since it doesn't dissociate to give ions in a solvent such as water. Since glucose dissolves as intact molecule in water therefore on dissolving â¦ 1 mole of glucose in 1 L water we should get 1 molar solution of glucose.