Characteristics and impacts of nitrous acid in the atmosphere
To summarize, the purpose of a literature review is to:
The first challenge in research is deciding what to study. While some new researchers have many ideas from their experiences, others struggle to choose a starting point. The key is to start with a general research area and gradually narrow it down until you arrive at a specific research question (click here to view an example).
Here are some steps to help define your research question:
Seery, M. K. (2020). A guide to research question writing for undergraduate chemistry education research students. Chemistry Education Research and Practice, 21(4), 12–127. https://doi.org/10.1039/d0rp90010a

General information
Scholarly information
Useful tips on searching databases effectively to find more precise and relevant results.
| Don't type in the whole sentence to search, pick the most important keywords. | Think of and use alternative terms and keywords to improve your search. | 
| Phrase searching can help you refine a search and find more precise results. | Use Boolean operators (AND, OR, NOT) to connect keywords to search effectively. | 
| Use truncation symbols to find words with a common root or stem. | Use parentheses to combine multiple keywords (prioritize orders of searching). | 
| Use wild card to find the word variants |