Chemical Changes

Question 1

The substance initially present in a chemical reaction that is used to make products.

Answer 1

Reactants

Question 2

New substance produces produced in a chemical reaction.

Answer 2

Products

Question 3

The ability of a substance to burn or ignite.

Answer 3

Flammability

Question 4

The degree to which a substance can harm (poison) a living organism.

Answer 4

Toxicity

Question 5

The deterioration of a metal as a result of its interaction with the surrounding environment.

Answer 5

Corrosion

Question 6

Able to be decomposed by the actions of living organisms.

Answer 6

Biodegradable

Question 7

Not able to be composed by the actions of living organisms.

Answer 7

Non-biodegradable

Question 8

A biodegradable plastic made from starch, derived from plants such as corn and potato.

Answer 8

Bioplastic

Question 9

A gas, predominately methane, extracted from coal deposits.

Answer 9

Coal seam gas

Question 10

Change in the form or state of a substance with no change to its chemical makeup.
E.g: change of state. Solid water-water-steam

Answer 10

Physical change