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[Chemical Knowledge]：Lanthanum oxide plus hydrochloric acid: considerations in chemical experiments

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In chemical experiments, lanthanum oxide and hydrochloric acid is a common experimental operation. However, to ensure the safety and accuracy of the experiment, we need to pay special attention to some matters.

need to carefully read the experimental steps and safety instructions before conducting experiments to ensure that they have sufficient experimental knowledge and skills.
Safety protective equipment such as laboratory clothes, gloves and goggles shall be worn during
experiment operation to avoid splashing chemicals into eyes or skin.

need to be careful when preparing hydrochloric acid solution. Hydrochloric acid is corrosive and avoid contact with skin or clothing. When dissolving lanthanum oxide in hydrochloric acid, it should be added slowly and stirred continuously to avoid splashing or splashing caused by violent reaction. After the end of the experiment, it is necessary to thoroughly clean the experimental utensils and experimental countertops to keep the experimental environment clean and tidy. When the

carries out the experiment of lanthanum oxide and hydrochloric acid, it must strictly abide by the experimental procedures and safety operation requirements to ensure the smooth progress of the experiment and ensure the safety of the experimenter.

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