So far, students have observed a gas produced when certain solids and liquids are mixed. Tell students that sometimes when two liquids are mixed, a solid forms. This solid is a new substance, and it’s ...

If you time how long it takes until you can no longer see the X due to the formation of the precipitate, you can calculate the rate using the equation. rate = 1 ÷ (time taken for X to be obscured ...

Precipitation comes in all forms: rain, sleet, freezing rain, and snow. Some even count virga, which becomes a gas and evaporates before it reaches us as raindrops. Hail also exists but forms ...

Calcite is the most stable and the least soluble, and, therefore, the form in which calcium carbonate would be expected to precipitate from sea-water. It has been pointed out, however, that when ...

A few drops of dilute sodium hydroxide solution react to form a white precipitate with aluminium ions, calcium ions and magnesium ions. However, if excess sodium hydroxide solution is added ...

In this installment of Weather Impact 101, we discuss the various types of wintry precipitation, how they form and which is the most dangerous.