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A '''chemical''' was a type of substance that could do several things.
A '''chemical''' was a type of substance that could do several things. Chemicals could be represented by chemical formulas, such as [[NH4NO3]]. ([[TV]]: ''[[The Keys of Marinus (TV story)|The Keys of Marinus]]'')


[[Life]] was a chemical process. ([[TV]]: ''[[The Mutants (TV story)|The Mutants]]'')
[[Life]] was a chemical process. ([[TV]]: ''[[The Mutants (TV story)|The Mutants]]'')

Revision as of 23:42, 23 December 2022

Chemical

A chemical was a type of substance that could do several things. Chemicals could be represented by chemical formulas, such as NH4NO3. (TV: The Keys of Marinus)

Life was a chemical process. (TV: The Mutants)

The 456 found that human children produced chemicals which felt "good". (TV: Children of Earth: Day Five)

Mia Bennett proved that Earth plant life could grow on Martian soil with the help of chemicals. (TV: The Waters of Mars)

Dangers posed by chemicals

A sign warning of "Dangerous chemicals". (TV: School Reunion)

Chemicals could be dangerous to health or to the environment.

By 2007, a sign in a Deffry Vale High School classroom warned of "dangerous chemicals" within a cupboard. (TV: School Reunion)

Specific chemicals

Some types of chemicals included: