Chemistry 0.0 / 5 ? ChemistryChemistryNational 5None Created by: shepurcc1Created on: 20-05-15 18:13 What type of reaction is irreversible? Chemical 1 of 34 What is the name for the hazard sign for substances that catch fire easily Flammable 2 of 34 In this state the particles are spread out Gas 3 of 34 A solid that can be dissolved solute 4 of 34 ____ solution is when the solvent cant hold anymore of the solvent so a layer forms saturated 5 of 34 What does Fe stand for on the periodic table? Iron 6 of 34 An _____ is a individual element on its own Atom 7 of 34 H2O is an example of this Molecule 8 of 34 What is the name for a substance between melting point and boiling point? Liquid 9 of 34 What is the name for a number that doesn't have a value near the other numbers in a results table? Anomalous 10 of 34 _________ is a process that can purify water Distillation 11 of 34 What is the study of colour and can be used to separate inks or dyes? Chromatography 12 of 34 How many hydrogen atoms in H2O? Two 13 of 34 There are roughly 100 elements on the _______ _______ periodic table 14 of 34 What variable do we have to insure a test is fair? Controlled 15 of 34 At a flat point in a heating and cooling curve what is staying the same? Temperature 16 of 34 Water being boiled is an example of a ________ change physical 17 of 34 What protective eyewear should you always wear whilst doing an experiment? goggles 18 of 34 What is the name of the part of the bunsen burner that you should always carry it by? Base 19 of 34 When the air hole on a bunsen burner is open what colour flame will you get? blue 20 of 34 The particles in this are compact and cannot move Solid 21 of 34 what happens to the boiling point of water if you add salt? increases 22 of 34 The ______ variable is what you measure Dependant 23 of 34 This is an example of a mixture Air 24 of 34 if it has a reading of 7 on a pH scale it is this neutral 25 of 34 if something has a reading of red on the pH scale what is it? Acid 26 of 34 Something that turns the colour of the pH according to the liquid is one of these indicator 27 of 34 What are most cleaning products? Alkalis 28 of 34 An example of common neutralisation would be when you get stung by a nettle and you add a ______ leaf dock 29 of 34 What is the name of a substance that when it reacts with an acid produces a salt + water? Base 30 of 34 to make copper sulphate you would need copper and ________ acid sulphuric 31 of 34 sodium hydroxide + sulphuric acid => sodium sulphate + _________ water 32 of 34 What type of salt does nitric acid make? nitrate 33 of 34 acid + metal _______ => salt + water + carbon dioxide carbonate 34 of 34
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