Page 27 - Curriculum Visions Dynamic Book

corrosive: a substance, either an acid or an alkali, that rapidly attacks a wide range of other substances.
mineral acid: an acid that does not contain carbon and that attacks minerals. Hydrochloric, sulphuric and nitric acids are the main mineral acids.
strong acid: an acid that has completely dissociated (ionised) in water. Mineral acids are strong acids.
 Suddenly the surface will bulge up and crack. By now so much heat is given out that much of the
 The sugar will turn yellow, brown and finally black.
surplus water produced by the reaction will form steam, but the steam bubbles are trapped in the sticky carbon and they simply expand in the “goo”, making it frothy. When it sets it is like a piece of coke.
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