Match the following: Column A Column B 1. Common salt a. Melanin 2. Rust b. Calcium hydroxide 3. Cut fruits c. Iron oxide 4. Lime water d. NaCl

Column A Column B 1. Common salt NaCl Sodium chloride is also known as common salt. It is formed when hydrochloric acid is reacted with sodium hydroxide. Column A Column B 2. Rust Iron Oxide When iron reacts with oxygen, in the presence of water, Iron Oxide is formed which is also known as rust. Column A Column B 3. Cut fruits Melanin Certain fruits and vegetables turn brown when being cut open and left for sometime. The fruits react with the atmospheric oxygen to form a brown product known as melanin. Column A Column B 4. Lime water Calcium hydroxide Lime water is the common name for the aqueous solution of calcium hydroxide. When carbon dioxide is passed through the lime water solution, calcium carbonate is formed.

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Science Horizons>Food>Chapter 4 - Chemicals and Chemical Changes>Let's Answer

Vaishali Gupta, Shalini Bajaj and, Supriya D.Sheshadri Solutions for Exercise 3: Let's Answer

Author:Vaishali Gupta, Shalini Bajaj & Supriya D.Sheshadri

Vaishali Gupta Science Solutions for Exercise - Vaishali Gupta, Shalini Bajaj and, Supriya D.Sheshadri Solutions for Exercise 3: Let's Answer

Attempt the free practice questions from Exercise 3: Let's Answer with hints and solutions to strengthen your understanding. Science Horizons solutions are prepared by Experienced Embibe Experts.