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What is a chemical compound?
By definition, a compound is a substance in which two or more different elements have combined. There are millions of examples of compounds all around us. Some examples of compounds are salt, water, carbon dioxide, glucose, and starch.
A compound is formed when two or more different elements come together in a chemical reaction to form a new substance. For example, a water molecule is produced when two hydrogen atoms combine with one oxygen atom, forming a water molecule. So what is the difference between a compound and a molecule?
What is the difference among the geoid and the surface of the earth? The geoid is an visualize surface that equal with the average (mean) sea level around the world. Thus, i
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Explain Functions of Gastric Juice - Enzyme action Enzyme action: Pepsin begins the chemical digestion of proteins. It converts proteins to peptones. The enzyme rennin present
a. Which type of ripple marks would you expect to see on the bed of a river? Why? b. Which type would you expect to find on the floor of a standing body of water? Why? c.
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REQUIREMENTS Chemicals The following materials are common for the whole batch of students at the Study Centre, since this is a demonstration exercise. Acetone (or ethyl meth
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describe the factors which decide the broad area of scientific activity
The Fire Triangle Generally, a fire needs three things to burn: Fuel - something to bum, e.g.oi1. Oxygen - to maintain combustion. Ignition - something to start
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