Does not conduct electricity Conduction of electricity as solid Solution in water conducts electricity and Conduction of electricity in solution in water for those that are water soluble bubbles of gas appear at each electrode Very hard and brittle Hardness Substance B Grey shiny solid Description Very high melting temperature Effect of heat Does not dissolve in water Solubility in water Does not dissolve in cyclohexane Solubility in other solvent – cyclohexane Does not conduct electricity Conduction of electricity as solid Not tested Conduction of electricity in solution in water for those that are water soluble Very hard not brittle Hardness Substance C Shiny pink solid Description Melts at high temperature Effect of heat Does not dissolve in water Solubility in water Does not dissolve in cyclohexane Solubility in other solvent – cyclohexane Solid conducts electricity Conduction of electricity as solid Not tested Conduction of electricity in solution in water for those that are water soluble Quite easy to bend as a sheet, very hard as a Hardness lump. Can be beaten into sheets. Substance D White powder Description Melts at high temperature Effect of heat Dissolves in water to give colourless solution Solubility in water Does not dissolve in cyclohexane Solubility in other solvent – cyclohexane Does not conduct electricity Conduction of electricity as solid
Conduction of electricity as solid Does not conduct electricity Conduction of electricity in solution in water for those that are water soluble Solution in water conducts electricity and bubbles of gas appear at each electrode Hardness Very hard and brittle Substance B Description Grey shiny solid Effect of heat Very high melting temperature Solubility in water Does not dissolve in water Solubility in other solvent – cyclohexane Does not dissolve in cyclohexane Conduction of electricity as solid Does not conduct electricity Conduction of electricity in solution in water for those that are water soluble Not tested Hardness Very hard not brittle Substance C Description Shiny pink solid Effect of heat Melts at high temperature Solubility in water Does not dissolve in water Solubility in other solvent – cyclohexane Does not dissolve in cyclohexane Conduction of electricity as solid Solid conducts electricity Conduction of electricity in solution in water for those that are water soluble Not tested Hardness Quite easy to bend as a sheet, very hard as a lump. Can be beaten into sheets. Substance D Description White powder Effect of heat Melts at high temperature Solubility in water Dissolves in water to give colourless solution Solubility in other solvent – cyclohexane Does not dissolve in cyclohexane Conduction of electricity as solid Does not conduct electricity
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