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.
Snapping. When content is selected in Office Word 2003, the selection can include parts of one or more paragraphs, tables, fields, etc. For example, the following image demonstrates how you might select the end of one paragraph and the start of the next paragraph.