Applying Name Knowledge Section 5.1 Complete the following tables by using the two figures shown on the previous page. Identify whether the substance is an acid or a base and indicate what colour the pH indicator will turn. (a) Acid or Litmus Substance pH Value Base Blue 2 Acid Red Yellow Red lemon 11 Base Yellow Blue Blue ammonia 6 Acid Yellow Yellow Red milk (b) Substance pH Value Acid or Methyl Indigo Base Red Carmine 4 Acid Red Colorless Blue tomato 13 Base Yellow Pink Yellow oven cleaner 8 Base Yellow Colorless Blue egg Complete the following table. Identify whether the substance is an acid or a base and indicate what colour the pH indicator will turn. pH Value Acid or pH Indicator Colour of Substance Base pH Indicator Acid Red black coffee litmus 5 Base Pink milk of 10 phenolphthalein magnesia Acid Yellow battery acid bromothymol 0 blue Base Blue sea water indigo carmine 8 Acid Red orange juice methyl orange 3 Base Yellow liquid drain 14 methyl red cleaner
Name Applying Knowledge Section 5.1 Complete the following tables by using the two figures shown on the previous page. Identify whether the substance is an acid or a base and indicate what colour the pH indicator will turn. (a) Substance pH Value Acid or Base Blue Litmus lemon 2 Acid Red Yellow Red ammonia 11 Base Yellow Blue Blue milk 6 Acid Yellow Yellow Red (b) Substance pH Value Acid or Base Methyl Red Indigo Carmine tomato 4 Acid Red Colorless Blue oven cleaner 13 Base Yellow Pink Yellow egg 8 Base Yellow Colorless Blue Complete the following table. Identify whether the substance is an acid or a base and indicate what colour the pH indicator will turn. Substance pH Value Acid or Base pH Indicator Colour of pH Indicator black coffee 5 Acid litmus Red milk of magnesia 10 Base phenolphthalein Pink battery acid 0 Acid bromothymol blue Yellow sea water 8 Base indigo carmine Blue orange juice 3 Acid methyl orange Red liquid drain cleaner 14 Base methyl red Yellow
acids_and_bases_reading_key_1617.docx