Activity 1 Take one or two drops of butter milk on a slide and spread it. Heat the slide slightly on a lamp (3 - 4 seconds). Add a few drops of crystal violet and leave it for 30 to 60 seconds. Then wash the slide gently with water. Observe the slide under the compound microscope.
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A hygrometer is an instrument used to measure the amount of water vapor in air, in soil, or in confined spaces. Humidity measurement instruments usually rely on measurements of some other quantities such as temperature, pressure, mass, a mechanical or electrical change in a substance as moisture is absorbed
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please follow up guys.
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we can observe lactobacillus bacteria on it
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