Acids and bases revision Need help with your chemistry revision? This quiz is perfect for you!!! With information from the Cambridge IGCSE Textbook - you'll be the smartest in your class! WGisAMAZING published on January 30, 2014 Stacked 1/8 What colour will an acid turn pink Litmus paper? Blue/Purple Red It stays the same 2/8 Which of these are the most common Alkalis? Hint: 4 choices Calcium Carbonate Calcium Hydroxide Sodium Hydroxide Sodium Chloride Potassium Hydroxide Calcium Chloride Sulfuric Hydroxide Ammonia Solution 3/8 Which of these are the most common Acids? Hint: 4 choices Hydrochloric Acid Ethanoic Acid Methanoic Acid Sulfuric Acid Citric Acid Nitric Acid 4/8 What are the formulas for Sulfuric Acid and Calcium Hydroxide? Type answer. Hint: 17 characters 5/8 What are the formulas for Nitric Acid and Ammonia Solution? Type answer. Hint: 12 characters 6/8 What is a Neutral substance? Salt A type of Acid Not an Acid or Alkali A type of Alkali 7/8 Which of these is not an Indicator? Litmus Methyl Orange Ammonia Phenolphthalein 8/8 What does a CORROSIVE acid mean? A concentrated acid that you can drink A weak acid that is harmless An acid that eats away at Metals, Skin and Cloth