SCIENCE 0.0 / 5 ? ScienceKS3 SCIENCEAll LevelsOther Created by: erin cCreated on: 01-05-14 15:35 What acid is equivelent to PH1? Hydrochloric acid 1 of 10 What are indicators? special dyes that change colour depending weather its in an acid or alkalie. For example; litmus paper 2 of 10 Give three points to describe acids. 1. Acids taste sour. 2. Acids kill cells. 3. Acids can corrode. 3 of 10 Give three points to describe alkalis. 1. Alkalis have a high PH. 2. They feel soapy. 3. Can be corrosive. 4 of 10 List the reactivits series in order starting from the most reactive. potassium, sodium, calcium, magnesium, aluminium, zink, iron, tin, lead, copper, silver, gold, platinum. 5 of 10 List the 7 life processes. Movement, Respiration, Sensitivity, Growth, Reproduction, Excretion, Nutrition. 6 of 10 What is Neutralisation? Rising or lowering the PH of an acid or an alkali to make a substance neutral. 7 of 10 What is a Displacement Reaction? whn a more reactive element displaces a less reactive element from its compound. 8 of 10 List 7 peoperties of metals. they are all found in the periodic table, conduct electricity, conduct heat, strong, are usually shiny, yoiu can bend them, some are magnetic. 9 of 10 List 6 properties of non-metals. can be found in the periodic table, poor conductors of electricity, poor conductors of heat, not that strong, dull, non-magnetic=ALWAYS. 10 of 10
Comments
No comments have yet been made