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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.
Which year marked India's first participation in the Asian Women's Volleyball Championship?
In which sport did Saurav Ghosal announce his retirement in April 2024?
Which country was the host of the first Asian Games?
In hockey, what is the 'Dee' commonly referred to as?
Which football team won their 16th Copa America title in 2024?
The Ranji Trophy is associated with which sport?
Which 'Stadium - Location' pairing is incorrect?
I) Eden Gardens - Kolkata
II) DY Patil Stadium - Ahmedabad
Select the correct code:
Who complimented the para-athletes for their strong determination and will power at the inauguration of the 5th ONGC Para Games?
What is the edition number of the ICC Women’s T20 World Cup that commenced in Sharjah, UAE?
Who recently became the first Indian cricketer to score 12,000 runs in T20 format?