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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.
Who commissioned the construction of the Qila-i-Kuhna Mosque?
How much dividend per share did the State Bank of India declare for the financial year 2023-24?
In which year was the Food Corporation of India (FCI) established?
Which company was penalized ₹25,000 by the RBI for not obtaining prior written permission before changing more than 30% of its directors?
Which of the following minsitry of India is participating in the 41st Sharjah International Book Fair, one of the most acclaimed book fairs of the world?
How many people will be covered under Andhra Pradesh's skill census initiative with Infosys?
What milestone did Goa Shipyard Limited achieve with the launch of two Fast Patrol Vessels (FPVs)?
Recently Shri Narendra Singh Tomar inaugurated the first Greenfield Farm Machinery Plant of Mahindra & Mahindra at which of the following state?
What is the primary aim of the PARTH Yojana launched in Madhya Pradesh?