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CHEMISTRY KSSM FORM 4 | ACIDS, BASES AND SALTS

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  • Give one example of triprotic acid
    phosphoric acid, H3PO4
  • A ................ is a subtance that reacts with acids to produce salt and water only.
    base
  • Give one example of weak alkalis
    ammonia
  • Give two substances that ionize partially in water
    ammonia, Ethanoic acid
  • Name the particles in a solution of hydrogen chloride is responsible for its acidity properties?
    Hydrogen ion
  • What is the formula to calculate the pH value of acid
    pH = -log [H+]
  • Turns litmus paper from red to blue
    Alkali
  • What is the meaning of alkalis?
    Chemical substances that ionise in water to produce hydroxide ions
  • Adding liquid X to water decreases its pH. This show that liquid X is....
    Acid
  • Carbonic acid is a mineral acid with formula, H2CO3. What is the basicity of carbonic acid?
    Diprotic acid
  • Diagram shows an egg shell in a beaker containing vinegar. What is X?
    Hydrogen gas
  • What is the meaning of acids?
    Chemical substances ionise in water to produce hydrogen ions
  • Give one example of strong acid
    Hydrochloric acid, sulphuric acid, nitric acid