The hardness of water is primarily due to the presence of calcium and magnesium salts, commonly in the form of calcium carbonate (CaCO3) and magnesium carbonate (MgCO3). Therefore, the correct answer is not among the provided options.
What does the term ‘chatuspathis’ and ‘tols’ refer to?
Who was the Viceroy of India when the Indian Factory Act of 1891 was passed?
Which regiment did Mangal Pandey, a key figure in sparking the Indian Rebellion of 1857, serve in?
In the context of the decline in the revolutionary, consider the following statements:
1. Gandhi’s ideas of Mass Nationalism
2. Mor...
In what year was the "All India Women’s Conference" founded
Who was the last person to be initiated into his religion by Gautam Buddha?
Consider the following pairs about the leaders and places of the revolt of 1857?
Consider the following statements with reference to the socio religious uprising:
1. The Wahabi Movement was islamic reformist movement that al...
Consider the following pairs with reference to the tribal uprising and their Leaders:
Consider the following statements about the Civil Disobedience Movement
1. Delhi Manifesto is related to the modus operandi of the civil disob...