A 白磷在空气中燃烧 B 氨气接近浓硫酸 C 氨气接近浓盐酸 D 红磷在氯气中燃烧

A 除①以外其他都可以 B 只有①③⑤ C 只有②④⑤ D 全部都可以

A 密度比空气小 B 没有颜色 C 没有气味 D 燃烧时能放出大量热，且不污染环境

A Cl₂以液态形式存在时可称作氯水或液氯 B <img src="https://www.beizhujiaoyu.com/uploads/202208/20130109163851795179.jpg" alt="" border="0" /> C 氯气既可作氧化剂又可作还原剂 D <img src="https://www.beizhujiaoyu.com/uploads/202208/20130109163837593759.jpg" alt="" border="0" />

A <img src="https://www.beizhujiaoyu.com/uploads/202208/20130109163865696569.jpg" alt="" border="0" /> B <img src="https://www.beizhujiaoyu.com/uploads/202208/20130109163867366736.jpg" alt="" border="0" /> C <img src="https://www.beizhujiaoyu.com/uploads/202208/201301091638004040.jpg" alt="" border="0" /> D <img src="https://www.beizhujiaoyu.com/uploads/202208/20130109163883088308.jpg" alt="" border="0" />

A <img src="https://www.beizhujiaoyu.com/uploads/202208/20130109163879157915.jpg" alt="" border="0" /> B <img src="https://www.beizhujiaoyu.com/uploads/202208/20130109163875047504.jpg" alt="" border="0" /> C <img src="https://www.beizhujiaoyu.com/uploads/202208/20130109163870237023.jpg" alt="" border="0" /> D <img src="https://www.beizhujiaoyu.com/uploads/202208/20130109163817441744.jpg" alt="" border="0" />

A 石墨 B 木炭 C 金刚石 D 炭黑

A ①② B ②③ C ①②③ D ③④

A <img src="https://www.beizhujiaoyu.com/uploads/202208/20130109163943634363.jpg" alt="" border="0" /> B <img src="https://www.beizhujiaoyu.com/uploads/202208/20130109163933873387.jpg" alt="" border="0" /> C 活性炭 D <img src="https://www.beizhujiaoyu.com/uploads/202208/20130109163956045604.jpg" alt="" border="0" />

A 用食盐腌渍食物 B 用盐酸除去铁表面的铁锈 C 用汽油擦洗衣料上的油污 D 用漂粉精消毒游泳池中的水