襄樊市很多家庭都用上了天然气,天然气的主要成分是______,与煤 相比,使用天然气具有热值高、安全性好、污染

Sun_Rain-Fruits2022-10-04 11:39:541条回答

襄樊市很多家庭都用上了天然气,天然气的主要成分是______,与煤 相比,使用天然气具有热值高、安全性好、污染少等优点.燃烧含硫的煤所产生的______气体是引起酸雨的主要原因之一.

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想你在每天每秒 共回答了22个问题 | 采纳率95.5%
天然气的主要成分是甲烷,燃烧后的产物是水与二氧化碳,无污染且产热量较高是较清洁的能源,而含硫的煤燃烧会生成二氧化硫污染空气,二氧化硫与雨水结合会生成亚硫酸,从而形成酸雨.
故答案为:甲烷(CH 4 );二氧化硫(SO 2 ).
1年前

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(2010•襄阳)襄樊市很多家庭都用上了天然气,天然气的主要成分是______,与煤 相比,使用天然气具有热值
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解题思路:天然气的主要成分是甲烷,含硫的煤燃烧时会生成一种主要的大气污染物二氧化硫,往往导致酸雨的产生.

天然气的主要成分是甲烷,燃烧后的产物是水与二氧化碳,无污染且产热量较高是较清洁的能源,而含硫的煤燃烧会生成二氧化硫污染空气,二氧化硫与雨水结合会生成亚硫酸,从而形成酸雨.
故答案为:甲烷(CH4);二氧化硫(SO2).

点评:
本题考点: 常用燃料的使用与其对环境的影响;防治空气污染的措施;化石燃料及其综合利用.

考点点评: 本题考查能源有关的知识,学习了含硫煤的燃烧时生成物二氧化硫的性质,有助于提高同学们的环保意识.

襄樊市很多家庭都用上了天然气,天然气的主要成分是_______,与煤 相比,使用天然气具有热值高、安全性好、污染少等优点
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甲烷(CH 4 );二氧化硫(SO 2