What is the difference between a cylinder and a test tube? O 1.The cylinder is made of glass and the test tube is made of glass. 2.The cylinder contains dimensions to measure volume and the test tube is to observe reactions, 3.The cylinder is the same as the test tube, it's just another name for it. 4.The test tube comes in a single measure (25 ml) and the test tube can come in different volumes (25- 200 ml for example). Text Predictions: On 12 Accessibility: Good to go B hp 82°F Most
States of Matter
The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
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