Answer key

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Last edited 25 days ago by Learn LoopHQ.

Chapter: 01. Introduction To Chemistry

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National Defence

Sir J.J. Thomson

phosphorus

William Ramsay

Science

Henri Becquerel

bauxite

preservative

Malathion

Biology

atoms

Antoine Lavoisier

composition

buildings, bridges and roads

James Chadwick

food preservation

Alchemy

Antibiotics

matter

Joseph Priestly

Atom

philosopher’s stone

magnesium silicate

tanning solutions

Hydrochloric acid

sodium bicarbonate

fertilisers

synthetic fibres

Chemistry

fertilisers

Enzymes

antipyretics

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