CHEMISTRY 7404/2 QUESTION AND CORRECT ANSWER

CHEMISTRY 7404/2 QUESTION AND CORRECT ANSWER Complete combustion - ANSWER Burning a fuel in excess oxygen. Carbon dioxide and water vapour are produced from the complete combustion of hydrocarbons Concordant results - ANSWER Titres that are in agreement usually within 0.10cm3 of each other Continous process - ANSWER An industrial process in which products are made all the time without any break. Production of iron in the blast furnace is a continuous process Co-ordinate bond - ANSWER A covalent bond in which the shared pair of electrons is provided by only one of the bonded atoms. In the bond X_>Y, X provides both electrons Covalent bond - ANSWER A shared pair of electrons Cracking - ANSWER A process used by the petroleum industry to produce shorter alkanes and alkenes from longer alkanes Cyclic - ANSWER Hydrocarbons in which there are closed rings of carbon atoms are described as cyclic D block - ANSWER The central section of the periodic table between groups 2 and 3 containing the transition metals Dative covalent bond - ANSWER Another name for a coordinate bond Decomposition reaction - ANSWER A reaction where one substance is broken down into two or more different substances Deflection - ANSWER The stage in mass spectrometry where positive ions are moved from their original path by a magnetic field Dehydration reaction - ANSWER A reaction where elements hydrogen and oxygen are removed from a reactant in the ratio of 2:1 effectively the removal of water