Making Salts from Metals or Bases
• Acid + Metal = Salt + Hydrogen • Acid + Base = Salt + Water ` • Hydrochloric acid; Nitric Acid; Sulphuric acid.
Making Salts from Solutions
• Acid + Alkali = Salt + Water • H+(aq) + OH-(aq) = H2O(l) • Because there is no visible change during the reaction
Acids and Alkalis • Hydrogen Ions H+(aq) • Hydroxide ions OH-(aq)
• Alkalis are bases that dissolve in water to make the solution alkaline
Chemistry Acids etc Answers
Chemistry • Why is biodiesel good for the
environment? • What are the downsides of biodiesel?
Chemistry • What are the 4 main reasons for
putting additives in food? • What are E numbers? • How can foods be checked for illegal additives?