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.
Do the following to organize a Word document in column format. Step 1. Open a Word document that you want to organize into columns. Step 2. Select the part of your document that you want to use multiple columns for. Step 3. Now click on the Page Layout tab and choose Columns.