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  Fire is the rapid oxidation of a material in the exothermic chemical process of combustion, releasing heat, light, and various reaction products. [1] At the ignition point of the combustion reaction, it produces flames. The visible portion of the fire is flame. It consists of carbon dioxide, water vapor, oxygen, and nitrogen. Sometimes, if the fire is too hot, the gases may become ionized to produce plasma. [2] Depending on the substances we burn and any impurities outside, the color of the flame and the fire's intensity will vary. [3] Orange and Yellow flame   What is Ignition Temperature? The point where a body starts burning or catches fire is ignition.  The ignition temperature for Iron is 1,315 °C, and for Hydrogen is at 535 °C.     The fire is hot because:   The chemical reactions involved in combustion release energy in the form of heat as they break down the molecular structure of the fuel. During combustion, the fuel molecules in the material break apart

  We all know water is colorless, so what change occurs when the same water becomes white or milky in a waterfall? The color of water varies with the ambient conditions in which that water is present. While relatively small quantities of water appear to be colorless, pure water has a slight blue color that becomes deeper as the thickness of the observed sample increases. The hue of water is an intrinsic property. It is due to selective absorption and scattering of blue light. Dissolved elements or suspended impurities may give water a different color. Color of water The water kept in a small container appears colorless to the human eye. Water in an indoor swimming pool looks cyan from above due to weak absorption in the red part of the visible spectrum. [5] An indoor swimming pool appears cyan from above, as light reflecting from the bottom of the pool travels through enough water that its red component is absorbed. The same water in a smaller bucket looks only slightly cyan, [1]  and