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Calcium chloride (CaCl₂ ) in water contributes to its permanent hardness. This type of hardness cannot be removed by boiling, unlike temporary hardness, and typically requires a water softener or ion exchange process to be treated.
The capital of Madhya Pradesh?
Which of the following is not considered a Neolithic site in India?
Which country is set to host the 2035 FIFA Women’s World Cup?
National Consumer Day is observed every year on which day?
Which country recently became the newest member of the European Union?
What is the atomic number of silicon, a component of quartz?
The Palk Strait is located between which two countries?
Which of the following is one of the indicators of Human Development Index (HDI)?
If "DOG" is coded as "EPI", how will "CAT" be coded?
How many digits does an Aadhar number consist of?