Question

guys please gave answer of questions number 7. ​

Answer 1

Decomposition reaction is used in:

1) Manufacture of cement or calcium oxide

2) Extraction of metals from its oxides,chloride etc

3) The relief from acid indigation

4) Thermite welding

Answer 2

Answer:

Explanation:

An important use of decomposition reaction is digestion of food in our body. It is because the carbohydrates and proteins in the food we eat decompose to simpler sugars like glucose and amino acids, respectively. These further break down to provide us energy to do work.