Chemistry for Health Sciences Quiz

What is the definition of matter?

• A chemical reaction

• A mixture of two or more elements

• A substance that cannot be broken down

• Anything that has mass and takes up space

Which of the following is a pure substance?

• Air

• Saltwater

• Gold

• Sand

What type of mixture is blood plasma classified as?

• Compound

• Homogeneous mixture

• Element

• Heterogeneous mixture

Which branch of chemistry studies the properties and changes of matter in relation to energy?

• Analytical chemistry

• Biochemistry

• Organic chemistry

• Physical chemistry

What is the smallest unit of a pure substance?

• Element

• Molecule

• Compound

• Atom

Which of the following is an example of a chemical change?

• Burning wood

• Boiling water

• Melting ice

• Dissolving sugar

What is the main difference between a mixture and a compound?

• Mixtures do not chemically bond their components

• Compounds can be separated by physical means

• Mixtures have a definite composition

• Compounds consist of only one element

Which of the following is an intensive property?

• Energy

• Density

• Volume

• Mass

What is the fourth state of matter?

• Liquid

• Gas

• Plasma

• Solid

Which method is suitable for separating an insoluble solid from a liquid?

• Chromatography

• Distillation

• Crystallization

• Filtration