Phosphoric acid is heated with a sodium halide to make the hydrogen halide and sodium phosphate. It is used to react with rust to make black iron(III) phosphate, which can be scraped off, leaving pure iron.
Select an entire document by using the mouse. To select the entire contents of the document body, do one of the following: On the Home tab, in the Editing group, click Select, and then click Select All. Move the pointer to the left of any text until it turns into a right-pointing arrow, and then triple-click.
For example say you had two Picklists like this- Select the Alphabet(from which you can select from choices like âA, B, C and D) and then a Select the Fruit(from which you can select the fruit of your choice).