science 4.0 / 5 based on 1 rating ? ScienceChemistryGCSEAQA Created by: meganwalshCreated on: 08-03-14 09:40 when copper ore is heated in a furnace what is this called? smlting 1 of 16 what is electrolysis? breaking down a substance using electricity 2 of 16 what is the most reactive element of the reactivity series? potassium 3 of 16 what is limestone mainly made of? calcium carbonate 4 of 16 when water is added to calcium oxide what is produced? calcium hydroxide 5 of 16 when calcium carbonate is heated it makes calcium oxide and carbon dioxide, what is the heating process called? thermal decomposition 6 of 16 what are two new methods of extracting copper? bioleaching and phytomining 7 of 16 how is crude oil sparated into different groups of hydrocarbons? factional distillation 8 of 16 the shorter the molecule the... more runny the hydrocarbon is 9 of 16 what does sulfur dioxide cause? acid rain 10 of 16 where is the nucleus? in the middle of the atom 11 of 16 are electons positively or negatively charged? negatively 12 of 16 what charge do atoms have? neutral 13 of 16 if electrons are removed from an atom, the atom becomes charged and is known as an... ion 14 of 16 atoms are represented by... symbols 15 of 16 what are alkanes? hydrocarbons 16 of 16
Comments
No comments have yet been made