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Silicon dioxide reacts vigorously with magnesium powder to form magnesium silicide, a dark blue solid.
(2015)
Gas A is in equilibrium with gases B and C according to the following equation
‘Ireland is facing significant challenges in meeting its EU future emissions targets for greenhouse gases under the EU Climate and Energy package for 2020
Iron metal is extracted in a blast furnace by the reduction of iron oxides in iron ore.
To determine the concentration of ethanoic acid in a sample of vinegar, 25.0 cm3 of the vinegar were diluted to 250 cm3 and then the diluted vinegar was titrated with a previously standardised solution which contained 1.20 g of sodium hydroxide in 500 cm3
(2016)
