01-01-2016
Chemistry

contestada

How do you differentiate soft and hard water?

Respuesta :

02-01-2016

Hard water contains impurities, so it would be denser. Perhaps a separation through density could be your answer? You could also insert sodium ions so that it becomes soft water.

Answer Link

Otras preguntas

You bought a car for $20,000. You have owned it for one year, and it is now worth $16,000. What is the percent decrease in your car's value?

Arliss has two pieces of carpet runner. One is yards long and the other is yards long. She needs 10 yards of carpet runner altogether. How much more does she

Both the birth and death rates are per _____ individuals. a. 1 000 b. 1 000 000

The battle of Antietam battle was the ___________________ day of the war, because both North and South suffered such terrible casualties.

What is the area of the figure?

what does n + 4n- 22=5 k equal?

A region that has a large number of atoms whose magnetic fields are lined up parallel to a magnet’s field is A. the magnetosphere. B. the magnetic declination.

which fraction is equivalent to 9/13

Choose three articles from the Universal Declaration of Human Rights that address the issues you uncovered while researching your chosen event/topic. Explain ho

How is stress related to perception