ideological and theoretical qualities and practical working ability, and strive to build a contingent of league cadres with positive work style and high quality
Hold a regular meting of the party secretary every fortnightly, arrange the work of the regiment, fedback the student information
Focus on training junior high school, junior high school secretary of the regiment branch to enable them to raise A firm political conviction, diligent and diligent learning spirit and practical and innovative work style
第十单元 酸和碱课题 1 常见的酸和碱第 1 课时 酸碱指示剂、常见的酸一、学习目标1
初步认识酸和碱是生活中常见的化合物
初步认识常见的酸碱酸碱指示剂,了解常见酸碱酸碱指示剂的变色规律
了解盐酸和硫酸的物理性质和用途
重点:酸碱酸碱指示剂的变色规律难点:会使用酸碱指示剂区分酸溶液和碱溶液二、 自主学习 1
生活中酸和碱的常识(自主学习 P50,完成相关知识点) (1)调味用的食醋中含有 ,水果中含有各种 ;它们属于酸
(2)石灰水中含有 ,炉具清洁剂中含有 ,它们都属于碱
酸碱指示剂作用(自主学习 P50,完成相关知识点) 能跟 或 起作用而显示不同