Name the Substance Which Makes Water Permanently Hard.

Name the substance which makes water permanently hard.

एक पंक्ति में उत्तर

Sulphates and chlorides of magnesium and calcium

shaalaa.com

Classification of water: Soft and Hard Water

क्या इस प्रश्न या उत्तर में कोई त्रुटि है?

अध्याय 3: Water - Exercise 3 (C) [पृष्ठ ५२]

अध्याय 3 Water
Exercise 3 (C) | Q 12.2 | पृष्ठ ५२

What do you understand by

Temporary hard water

What are the causes for:

Temporary hardness

Name the substance which makes water temporarily hard

Explain with equation, what is noticed when permanent hard water is treated with

Slaked time

Both temporary & permanent hardness in water can be removed by addition of washing soda. Give balanced equations for the same.

Select the correct answer from the choice given in the options.

A substance which causes hardness in water _____.

Match the following.

Why does hard water not form lather with soap?

The pleasant taste of drinking water is due to the presence of a dissolved substance which includes air, CO_2, and minerals.

1000 g aqueous solution of CaCO₃ contains 10 g of calcium carbonate. Concentration of the solution is ______.