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.
1 Click on Insert tab in Word 2010. 2  You will find an Object scroll down button under Text Category. 3  Click on Object then again Object. 4  A window will pop out. 5  Select Create from file. 6  Click on Browse to locate your file you want to link to your Word 2010 document.