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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…

If you love doing experiments in the laboratory, you probably have heard about pure water. Is pure water an element, compound, or mixture? Pure water that contains only H2O molecule is a compound. It is composed of two different elements i.e. hydrogen and oxygen that bond chemically in a fixed proportion. Thus, pure water is…

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….

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…

Gold is a beautiful matter that you can find in jewelry. In science, you can classify matters according to the physical property of it. Now you might be wondering, to which category does gold belong? Is gold an element, compound, or mixture? Pure gold is an element because it only consists of 1 type of…