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www.chemactive.comwww.chemactive.com GCSE CHEMISTRY PRODUCTS FROM OIL High Demand Questions QUESTIONSHEET 1 (a) Crude oil is the raw material of the petrochemical industry. …
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www.chemactive.comwww.chemactive.com GCSE CHEMISTRY ELECTRICITY IN CHEMISTRY QUESTIONSHEET 2 CONTINUED (v) The word equation for the reaction that took place at the negative is: lead ion + electrons lead atom
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chemactive.comwww.chemactive.com GCSE CHEMISTRY RATES OF REACTIONS High Demand Questions QUESTIONSHEET 3 Carbonates react with acids to produce a salt, carbon dioxide and water. (a) The equation describes the reaction between calcium carbonate and hydrochloric acid.
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chemactive.comwww.chemactive.com GCSE CHEMISTRY ATOMIC STRUCTURE & BONDING High Demand Questions QUESTIONSHEET 4 Neon has two main isotopes, Ne20 10 and Ne 22 10 (a) Draw diagrams of the atoms of each of the neon isotopes.