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.
You can do so with the following procedure. 1  On the Word menu, click Preferences. 2  In Word Preferences, click AutoCorrect. 3  On the AutoCorrect tab, select Automatically use suggestions from the spelling checker, if it is not already selected.  If you made a change, click OK to make it effective.