AU - JOHNSON,COLIN TI - CHEMISTRY FOR GCSE SN - 0435644408 U1 - 540/JOH PY - 1987/// CY - OXFORD PB - HEINEMANN EDUCATIONAL BOOKS, LTD. KW - CHEMISTRY KW - GCSE CHEMISTRY PREPARATION KW - MATTER KW - SOME CHEMICALS IN ACTION KW - SOME NON-METALS AND THEIR COMPOUNDS KW - CHEMICAL REACTIONS KW - METALS AT WORK KW - NATURAL RESOURCES KW - CHEMISTRY AND INDUSTRY ER -