Chemistry Unit 1 0.0 / 5 ? ChemistryALL C1 AQAGCSEAQA Created by: canunotCreated on: 09-06-14 22:42 compounds formed when metals and non metals consist of ions 1 of 33 limestone composed of the compound calcium carbonate 2 of 33 what can calcium carbonate be decomposed by? thermal decomposition 3 of 33 what does calcium oxide react with water 4 of 33 what reacts with carbon dioxide to produce calcium carbonate calcium hydroxide 5 of 33 phytomining using plants, absorb metal compounds when the grow. burned to produce ash 6 of 33 bioleaching using bacteria, separating the metal from its ore. dis, very slow 7 of 33 electrolysis positive ions move towards negative. 8 of 33 crude oil mixture of large compounds 9 of 33 thermal decomposition breaking down by heating 10 of 33 ore rock containing a metal compound that can be extracted the metal 11 of 33 reduction reaction takes place as carbon removes the oxygen from the oxide to produce the metal 12 of 33 why steel is better than pure iron easily shaped, high-carbon steels and resist corrosion 13 of 33 what do aluminium and titanium both have resist corrosion, low density 14 of 33 3 properties of alloys good conductors, keep their shape, buildings 15 of 33 how does distillation done by steps by heating the mixture to different temperatures 16 of 33 how does fractional distillation done by continuously by vaporising the mixture and condensing the fractions at diferent 17 of 33 incomplete combustion that causes global dimming carbon monoxide 18 of 33 what do burning hydrocarbons produce co2 and water 19 of 33 2 ways hydrocarbon can be broken down heating a mixure of hydrocarbon vapours & steam to a very high temp // passing hydrocarbon vapours over a hot catalyst 20 of 33 alkenes have a ______ bond. React with double / bromine water turning it orange > colourless 21 of 33 polymers large molecules made when monomers join together 22 of 33 what is a shape memory polymer uses temperature of the body to make the thread tighten and close the wound 23 of 33 2 ways ethanol can be made fermenting sugar using enzymes in yeast // made by hydration of ethene with steam in presence of catalyst 24 of 33 how can vegetable oils be extracted distillation // by seeds or nuts 25 of 33 how can vegetable oils be hardened reacting with hydrogen with a nickel catalyst at 60'c 26 of 33 what do emulsifiers stop oil and water from separating layers 27 of 33 why do tectonic plates move because convection currents in the mantle that are caused by radioactive decay 28 of 33 why was wegeners idea not accepted because he could explain why continents move 29 of 33 gases the earth had in its past co2, nitrogen, methane, ammonia 30 of 33 what increased oxygen in atmosphere plants increased, decreasing co2 31 of 33 what was the miller-urey experiment they found that amino acids, building blocks for proteins had been used 32 of 33 2 processes carbon dioxide is released into the atmosphere & remove plants, fossil fuels // water, ocean 33 of 33
Comments
No comments have yet been made