Acid + Bases

• What are the two indicators


  Universal and Litmus Paper
• What number does the PH scale go up to?


  0-14
• What number and colour is Neutral?


  7, Green
• PH is…


  the measure of acidity
• Red litmus paper turns blue..


  when it’s an alkaline
• Blue litmus paper turns red..


  when there’s an acid
• Antacids are..


  weak alkalies that neutralises too much acid in the stomach
• Metal + Acid ————>


  Salt + Hydrogen
• Metal oxide + Acid ————>


  Salt + Water
• Metal Hydroxide + Acid ————>


  Salt + Water
• Strong Acids go from


  1-3
• Weak Acids go from


  4-6
• Weak Alkaline's go from


  8-10
• Strong Alkalines go from

  11-14
• Hydrochloric Acid is..


  HCl
• Nitric Acid is..


  HNO3
• Sulfuric Acid is..


  H2SO4
• Hydrochloric Acid as a salt is..


  A chloride
• Nitric Acid as a salt is..


  a Nitrate
• Sulfuric Acid as a salt is..


  a Sulfate
• Metal Carbonate + Acid ————>


  Salt + Water + Carbon Dioxide
• The equation of Neutralisation:


  Acid + Base -> Salt + Water
• Hydrochloric Acid + copper oxide ——>


  copper chloride + water
• nitric acid + sodium hydroxide ———>


  sodium nitrate + water
• sulfuric acid + calcium carbonate ——>


  calcium sulfate + water + carbon dioxide
• Oven Cleaner is..


  a alkaline
• Water is…


  Neutral
• The colour of a strong Acid in the Universal Indicator is…


  Red
• The colour of a weak Acid in the Universal Indicator is..


  Yellow/Orange
• The colour of weak Alkalis in the Universal Indicator is..


  Blue
• The colour of strong Alkalis in the Universal Indicator is..


  Purple
• Alkalis dissolve in…


  water
• sulphuric acid + magnesium ———> 


  magnesium sulfate + hydrogen
• What name is given to the substances made in a chemical reaction?


  Products
• potassium hydroxide + sulfuric acid


  potassium sulfate + water
• nitric acid + sodium oxide


  sodium nitrate + water
• iron carbonate + nitric acid


  iron nitrate + water + carbon dioxide
• Acids taste sour (like lemons)
• Alkalis taste bitter and slippery (like soap)