If you do, QuickBooks will remove them from Box 7. Once you have completed assigning the 1099 form, select the Accounting Preferences, Company Tab and select. the option to Show Lowest Subaccount Only. This option is only active when you check the Use Account.
Apart from the above uses of copper sulfate, this compound is also used in preparation of wood preservatives to protect timber from wood worms. It is also utilized as a mordant in dyeing, and as a reagent in tanning process.
Industrially, ferrous sulfate is mainly used as a precursor to other iron compounds. It is a reducing agent, and as such is useful for the reduction of chromate in cement to less toxic Cr(III) compounds. Historically ferrous sulfate was used in the textile industry for centuries as a dye fixative.