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If you love spending time by the sea or at the beach, you probably are so familiar with saltwater. Salt water or saline water mostly comes from the sea, although you can also make it at home. You might be wondering to which classification salt water belongs to. Is salt water an element, compound, or…

Carbon dioxide is one of the most popular gases in science. We are so familiar with this gas. It’s used as a fire extinguisher, it’s used by plants for respiration, and as humans, we breathe out carbon dioxide. Now, if you take a moment to think about carbon dioxide, you probably are wondering what kind…

With so many kinds of unique matters on earth, it might be a bit overwhelming to figure out to which classification a matter belongs. Bismuth is a unique matter. You might not hear about it often. But this material does exist on earth. Is bismuth an element, compound, or mixture? Bismuth (Bi) is an element….

If you love doing experiment in the chemistry lab or microbiology lab, you must be familiar with alcohol. Alcohol has various functions in the laboratory from sterilization, gram staining, to DNA extractions. Now you probably are wondering about what type of matter an alcohol is. Is alcohol an element, compound, or mixture? Alcohol is a…

Rust happens when an iron gets wet and exposed to oxygen. Is rust an element, compound, or mixture? Rust a.k.a ferric oxide is a chemical compound. It is composed of different elements i.e. iron (Fe) and oxygen (O) that bond chemically in a fixed proportion. Thus, it’s neither an element nor a mixture. Yes, rust…

Milk is a healthy drink that is probably almost always available inside every family’s fridge in the US, am I right? We are so familiar with milk. We can drink it as is, pour it into a bowl of cereal, or use it in baking. If you love science, you might be wondering what kind…