Chemistry 3rd form

• What is the formula of hydrochloric acid? HCl
• What is the formula of sulfuric acid? H2SO4
• What is the formula of nitric acid? HNO3
• What is the name of HCl(aq)? Hydrochloric acid
• What is the name of H₂SO₄(aq)? Sulfuric acid
• What is the name of HNO₃(aq)? Nitric acid
• What is the formula of water? H2O
• What is the formula of carbon dioxide? CO2
• What is the formula of methane? CH4
• What is the formula of ammonia? NH3
• What pH describes a strongly acidic solution?

  Ph 1
• What pH describes a weakly acidic solution?

  Ph 5
• What pH describes a neutral solution?

  Ph 7
• What pH describes a weakly alkaline solution?

  Ph 9
• What pH describes a strongly alkaline solution?

  Ph 13
• What is the colour of methyl orange in acid?

  Red
• What is the colour of methyl orange in alkali?

  Yellow
• What is the colour of methyl orange in neutral?

  Yellow
• What is the color of phenolphthalein in acid?

  Colorless
• What is the colour of phenolphthalein in alkali?

  Pink
• What is the colour of phenolphthalein in neutral?

  Colourless
• What is the colour of litmus paper in acid?

  Red
• What is the colour of litmus paper in alkali?

  Blue
• What colour is universal indicator in pH 1?

  Red
• What colour is universal indicator in pH 4?

  Orange
• What colour is universal indicator in pH 6?

  Yellow
• What colour is universal indicator in pH 7?

  Green
• What colour is universal indicator in pH 10?

  Blue
• What colour is universal indicator in pH 14?

  Purple
• What term is used to describe the tendency of particles to spread out?

  Diffusion
• What happens to diffusion at higher temperatures?

  Its Faster
• What is true about the volume of a solid?

  Constant
• What is true about the shape of a solid?

  Constant
• What is true about the volume of a liquid?

  Constant
• What is true about the shape of a liquid?

  Variable
• What is true about the volume of a gas?

  Variable
• What is true about the shape of a gas?

  Variable
• How are particles arranged in a solid?

  Close together in a grid like pattern
• How are particles moving in a solid?

  Vibrating but not moving around
• How are particles arranged in a liquid?


  Close together but randomly arranged