QUIZ: CHEMICAL PROCESSES OF LIFE

When distilled water breaks down caster sugar particles, this is the process of ______.

• solution

• mixture

• dissolving

If baking soda which dissolves in water to form hydroxide ions, it is an example of ______.

• an acid

• a base

When a solute and a solvent is mixed together, ________ is formed.

• diffusion

• substance

• solution

Below are examples of solutes.

• acetic acid

• sugar

• tin

• water

_________ is the process by which molecules move and are evenly distributed throughout the solvent by Brownian motion.

• Solution

• Diffusion

• Osmosis

In ________, the reaction changes the identity of the matter and a new substance is formed.

• physical change

• chemical change

In writing a chemical equation, it can be in __________ or __________.

• letters

• words

• symbols

In the chemical equation above, what are the reactants?

• CO₂ and H₂O

• CH₄ and H₂O

• CH₄ and O₂

In the chemical equation above, what are the products?

• 2HgO

• Hg and O₂

• 2Hg and O₂

This is a kind of reaction where energy is released in the form of heat.

• Exothermic reaction

• Endothermic reaction