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影响实验结果准确度的主要因素有哪些？ What are the main factors that affect the accuracy of experimental results？
A.光源的亮度变化 Brightness change of light source#B.透镜位置和光具座刻线不在一个竖直面上 The position of the lens and the reticle of the optical holder are not on a vertical plane#C.肉眼对清晰像的识别程度不同 The naked eye has different recognition degree to the clear image#D.读数引起的误差 Error caused by reading参考答案和解析
滴定管读数时最后一位估测不准确;碱式滴定管使用过程中产生了气泡;以甲基橙为指示剂用HCL滴定含有NaCO3的NaOH溶液
更多 “影响实验结果准确度的主要因素有哪些？ What are the main factors that affect the accuracy of experimental results？A.光源的亮度变化 Brightness change of light source#B.透镜位置和光具座刻线不在一个竖直面上 The position of the lens and the reticle of the optical holder are not on a vertical plane#C.肉眼对清晰像的识别程度不同 The naked eye has different recognition degree to the clear image#D.读数引起的误差 Error caused by reading” 相关考题
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