This question is about chemistry, not link building or SEO. When lead(II) nitrate is heated above approximately 470°C, it undergoes thermal decomposition. The reaction produces lead(II) oxide as a yellow residue, nitrogen dioxide as a brown toxic gas, and oxygen gas. The balanced equation is: 2Pb(NO₃)₂ → 2PbO + 4NO₂ + O₂. This has nothing to do with link building, SEO, or web design. If you landed here looking for information about link building strategies, you're in the wrong place. At Ottawa SEO Inc., we focus on digital marketing tactics like earning editorial links, guest posting on relevant Canadian business sites, and building topical authority through content clusters. If this question reached our knowledge base by mistake, it likely means someone searched for chemical information and ended up on a marketing agency's site. That's a keyword targeting mismatch. We don't rank for chemistry terms, nor should we try to. Chasing irrelevant search volume wastes crawl budget and confuses Google about your site's topical focus. For actual link building advice: focus on earning links from sites in your industry. If you're a B2B service provider in Ottawa or Toronto, one link from a relevant trade publication or local business directory outweighs dozens of links from unrelated sites. Quality beats quantity when those links come from topically related domains with real traffic. Our approach involves creating linkable assets—original research, local market data, or tools that solve specific problems for your audience. We've seen Canadian SMBs earn dozens of editorial links by publishing salary surveys, industry benchmarks, or interactive calculators that journalists and bloggers actually reference. That builds authority far more effectively than random outreach or paying for directory listings that Google ignores.