Question

Match the following pH values 1. 7. 10, 13 to the solutions given below

• Milk of magnesia

• Gastric juices

• Brine

• Aqueous Sodium hydroxide

Amit and Rita decided to bake a cake and added baking soda to the cake batter.

Explain with a balanced reaction, the role of the baking soda. Mention any other use of baking soda.
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Answer 1

pH 1: gastric juices
pH 7: Brine
pH 10: Milk of Magnesia
pH 13: Aqueous Sodium Hydroxide

Amit and Rita added baking soda to the cake in order to for it to react with the other ingredients to produce carbon dioxide, this will result in the rising of the dough and a fluffy dough.