To solve the problem, we need to identify the uses of washing soda.
1. What is Washing Soda?
Washing soda, also known as sodium carbonate , is a chemical compound commonly used in various industries and household cleaning.
2. Uses of Washing Soda:
- In the Glass Industry, washing soda is used in the manufacturing of glass as it helps lower the melting point of silica and acts as a fluxing agent.
- In the Paper Industry, it is used in the pulping process to remove impurities.
- As a cleaning agent for domestic purposes, washing soda is used to remove grease, stains, and dirt from surfaces, as well as to soften water.
- It is also involved in the manufacture of borax (sodium borate), which is used in many industrial processes.
3. Conclusion:
Washing soda is used in all of the given options.
Final Answer:
The correct answer is (D) All of the above.