Support info of Improvement of SO<sub>2</sub> and Concentrated H<sub>2</sub>SO<sub>4</sub> Series Experiments Using H-Shaped Double Test Tubes

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	2024, Vol. 45(7): 111-114 DOI: 10.13884/j.1003-3807hxjy.2023040064

	Improvement of SO₂ and Concentrated H₂SO₄ Series Experiments Using H-Shaped Double Test Tubes
	ZHAO Yan-Jun^1**, ZHAO Yan-Hui²
	1. Experimental Secondary School Attached to the Qinghai Normal University, Xining 810008, China; 2. Qinghai Open University, Xining 810000, China
	Received null Revised null
	Supporting info

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