To take the chemistry test 90+, these foundations must be mastered
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Hengshui Middle School 985 student sharing: Junior high school chemistry test is 90+, and you need to have a solid grasp of basic knowledge. He recommended 17 key knowledge maps, covering the required content such as equation balancing, material changes, and acid-base salt classification. These diagrams are clear and easy to understand, and they are suitable for children with a weak foundation to check and fill in the gaps and consolidate the foundation. Collect this handwritten notebook for your child to get a high score easily!
China Net Finance, May 21 - After two months, the investigation of Zhongtai Chemical (002092.SZ) information disclosure violations and violations has ended. Zhongtai Chemical, its controlling shareholder, to...