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Test for hydrogen gas. A lit splint is held to the gas, igniting it with a characteristic squeaky pop. The gas was produced by the reaction of magnesium with hydrochloric acid, in the test tube at left
Test for hydrogen gas. A lit splint is held to the gas, igniting it with a characteristic squeaky pop. The gas was produced by the reaction of magnesium with hydrochloric acid, in the test tube at left
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dna chain structure
Abstract glittering DNA double helix with depth of field, science animation of DNA construction, genom futuristic footage, conceptual design of genetics information, 4K computer generated animation
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dna chain structure
Abstract glittering DNA double helix with depth of field, science animation of DNA construction, genom futuristic footage, conceptual design of genetics information, 4K computer generated animation
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Microbes float in a dirty water, loopable
Microbes float in a dirty water (microscopic view, magnification 200X), loopable
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dna chain structure
Abstract glittering DNA double helix with depth of field, science animation of DNA construction, genom futuristic footage, conceptual design of genetics information, 4K computer generated animation
Getty Images
Close up and zoom out on queen bee being artificially inseminated.
Close up and zoom out on queen bee being artificially inseminated.
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MS Test tube with blue liquid in tube tray / Toronto, Ontario, Canada
MS Test tube with blue liquid in tube tray / Toronto, Ontario, Canada
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Universal indicator solution added to distilled water. Distilled water is chemically neutral, being neither acidic nor alkaline. Universal indicator turns green-yellow in neutral solutions
Universal indicator solution added to distilled water. Distilled water is chemically neutral, being neither acidic nor alkaline. Universal indicator turns green-yellow in neutral solutions
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Triangular prism splitting a ray of white light into its constituent colours.
This occurs because the light is refracted when it passes from the air to the glass, as the speed of light in glass is lower than that in air. Light with a shorter wavelength, at the blue end of the spectrum, is refracted more than the...
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Universal indicator solution demonstration, showing colour changes. Universal indicator turns red in acids, purple in alkalis, and green-yellow in neutral water
Universal indicator solution demonstration, showing colour changes. Universal indicator turns red in acids, purple in alkalis, and green-yellow in neutral water
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Scientist male talking about working in modern laboratory or medical center. Background monitor green screen. Concept of science, testing development and lab industry.
Scientist male talking about working in modern laboratory or medical center. Background monitor green screen. Concept of science, testing development and lab industry.