Chemistry

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  Laboratory work #10: «Determination of water hardness»

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  Laboratory work #14: «The effect of acetic acid on eggshell»

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  Laboratory work #11-12: «Model of nitrogen and ammonia molecules»

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  Laboratory work #17: «Protein denaturation»

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  Strawberry DNA extraction

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  Laboratory work No.2: “Purification of contaminated table salt”

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  Laboratory work No.1: “Comparison of mixtures of substances and their compounds”

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  Laboratory work №9: Reaction of aluminum with bases

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  Laboratory work №8: Neutralization

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  Laboratory work №7: pH measurements