Esthetic Chemistry

All of the following statements are true about liquids except:

• they have definite weight

• they have definite shape

• they have definite volume

• they take the shape of the container in which they are poured

Matter with definite weight, but indefinite volume and shape are:

• gases

• solids

• compounds

• liquids

A change in substance that creates a new substance with different material characteristics from those of the original substance is a:

• phase change

• physical change

• chemical change

• chemical structure

Most abundant elements in the earth's crust?

• carbon

• nitrogen

• hydrogen

• oxygen

Molecular weight is determined by:

• protons

• protons and neutrons

• protons and electrons

• neutrons and electrons

Which of the following is a process in which a substance gains and electron and oxygen is released?

• oxidation

• ionic bonding

• covalent bonding

• reduction

Which material dissolves and breaks down large molecules into smaller ones?

• fatty acids

• amino acids

• lipids

• enzymes

• proteins

a simple unit of a carbohydrate is called a:

• disaccharide

• polysaccharide

• saccharide

• monosaccharide

Which one is a base?

• acid

• alkaline

• logarithmic

• hydrogen

the solid, or dissolved part, of a solution is called the:

• solvent

• suspension

• solute

• saturation point