01 - Metal with water and acids

• MASH:

  Metal + Acid -> Salt + Hydrogen
• Hydrochloric acid:

  • Formula: HCl
  • Type of salt made: (metal) chloride
  • Formula of ion in salt: Cl(-)
• Sulphuric acid

  • Formula: H2SO4
  • Type of salt made: (metal) sulphate
  • Formula of ion in salt: SO4(2-)
• Nitric acid

  • Formula: HNO3
  • Type of salt made: (metal) nitrate
  • Formula of ion in salt: NO(2-)
• Demo + Practical

  A) Effervescence

  B) Explosion

  C) Effervescence (very small)

  D) No reaction

  E) no reaction

  F) Exothermic

  G) Effervescence

  H) Colour change, grey to white

  I) Only reacts in the presence of oxygen

  J) No reaction

  K) Smoke

  L) Effervescence

  M) No reaction

  
• Why don't we react potassium, lithium and sodium with acids?

  They're explosive.