The plant Henna imports orangered colour to the skin and hair due to its reaction with which of the following? a) Protein and Amino acid
b) Lipids
c) Carbohydrates
d) Amino acids

We can be sure that a mole of table sugar and a mole of vitamin c are equal in their 1) mass in daltons. 2) mass in grams. 3) number of molecules. 4) number of atoms. 5) volume.