为探究燃烧的条件小花同学查阅资料得知白磷为蜡状固体有剧毒不溶于水着火点为40℃红磷着火点为240℃．然后她进行了如下实验1按 Sketch Coloring Page

为探究燃烧的条件小花同学查阅资料得知白磷为蜡状固体有剧毒不溶于水着火点为40℃红磷着火点为240℃．然后她进行了如下实验1按 Template

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Take a peek at some of the sketches created by our users, are you a sketchite?

sketch #3822

anonymous

anonymous
sketch #3822

sketch #20344

anonymous

anonymous
sketch #20344

sketch #5129 Konata Izumi by Urs Stefan

anonymous

anonymous
sketch #5129 Konata Izumi by Urs Stefan

sketch #5179 Audrey Hepburn by 陳一夫

anonymous

anonymous
sketch #5179 Audrey Hepburn by 陳一夫

sketch #3659 Portrait by Mari Falcsik

anonymous

anonymous
sketch #3659 Portrait by Mari Falcsik

sketch #4503 Naruto Biju Mode by Jessie Lightwood

anonymous

anonymous
sketch #4503 Naruto Biju Mode by Jessie Lightwood

sketch #5225 The Friendship by Annabelle Bourget

anonymous

anonymous
sketch #5225 The Friendship by Annabelle Bourget

sketch #4796

anonymous

anonymous
sketch #4796

sketch #4190

anonymous

anonymous
sketch #4190

sketch #2620 goblin man

sketchmaster
sketch #2620 goblin man

sketch #2061

Raisa Mahmud
sketch #2061

sketch #1118 easy zombie

anonymous

anonymous
sketch #1118 easy zombie

sketch #3166 Axl Rose by Jessie Lightwood

anonymous

anonymous
sketch #3166 Axl Rose by Jessie Lightwood

sketch #4901 Adventure Time by Louisette Alain

anonymous

anonymous
sketch #4901 Adventure Time by Louisette Alain

sketch #280

anonymous

anonymous
sketch #280

sketch #2889

anonymous

anonymous
sketch #2889

sketch #2836 Angry smurf maradona by BaGaz Anggara

BaGaz Anggara
sketch #2836 Angry smurf maradona by BaGaz Anggara

sketch #3088 Billy from Saw by Naulian Ciko

anonymous

anonymous
sketch #3088 Billy from Saw by Naulian Ciko

sketch #313 Uchiha Sasuke

anonymous

anonymous
sketch #313 Uchiha Sasuke

sketch #4916

anonymous

anonymous
sketch #4916

sketch #1923 12

anonymous

anonymous
sketch #1923 12

sketch #4933 Tobi by Abdelwahab Haik

anonymous

anonymous
sketch #4933 Tobi by Abdelwahab Haik

sketch #2787 Spongebob by ShopRasta Roots

ShopRasta Roots
sketch #2787 Spongebob by ShopRasta Roots

sketch #2729 Luffy by Jayme Sousa

Jayme Sousa
sketch #2729 Luffy by Jayme Sousa

sketch #3444 PSY by Melodee Ripepi

anonymous

anonymous
sketch #3444 PSY by Melodee Ripepi

sketch #3599 Lovely pencil face

anonymous

anonymous
sketch #3599 Lovely pencil face

sketch #3707 The Thinker

anonymous

anonymous
sketch #3707 The Thinker

sketch #1504 donara

Donara Smbatyan
sketch #1504 donara

sketch #3755 Panda by Roberto Castro Colimil

anonymous

anonymous
sketch #3755 Panda by Roberto Castro Colimil

sketch #2483 Una Catrina by sketchmaster

sketchmaster
sketch #2483 Una Catrina by sketchmaster

tomski为探究燃烧的条件小花同学查阅资料得知白磷为蜡状固体有剧毒不溶于水着火点为40℃红磷着火点为240℃．然后她进行了如下实验1按 coloring

为探究物质燃烧的条件某同学做了如图所示的实验．实验�现水中的白磷和铜片上的红磷都没燃烧铜片上的白磷着火燃烧已知白磷的着火点40℃红磷 sketch template

物质燃烧必须同时满足三个条件a B C ．题目和参考答案——青夏教育精英家教�—— sketch template

小刚用图1所示实验来探究可燃物燃烧的条件．1小刚用图甲所示装置进行实验观察到的现象是．2实验过程中所�生反应的化学反应方程式 sketch template

如图所示的一组实验可用于研究燃烧的条件．已知白磷的着火点为40℃红磷的着火点为240℃．1在如图1所示的实验中分别用玻璃棒蘸取酒精和水 sketch template

探究“燃烧的条件 实验时改进课本中的实验如图所示将适量的白磷和红磷分装于Y形试管的2个支管中管口系牢小气球将2个支管同时伸入相同深度的 sketch template

如图所示是探究物质燃烧条件的三个对比实验，请将相应的现象和结论填入表中．实验1实验2实验3实验现象木条燃烧，玻璃棒不燃烧小木条燃烧，小煤块不 sketch template

题目为了探究白磷的燃烧条件某同学进行了下列两个实验实验Ⅰ分别持燃烧匙内的�量白磷或红磷点燃并按照图1进行实验观察到白磷或红磷均 sketch template

为探究燃烧的条件某同学进行了如图所示的实验有关的说法正确的是 A．现象��说明物质燃烧需要温度B．现象��说明物质燃烧需要氧气C．现象 sketch template

下面所示是某校化学兴趣小组的同学探究物质燃烧条件的实验过程 实验1在酒精灯上点燃木条和玻璃棒 实验2分别点燃两支小蜡烛将其中一支蜡烛 sketch template

下图是关于探究燃烧条件的三个实验装置．1写出白磷燃烧的化学方程式 2与甲图装置相比乙图装置的优点是 有同学提出乙图装置仍然有不 sketch template

小林为了探究燃烧需要哪些条件他和同学们进行了以下探究活动提出问题物质在什么条件下才能燃烧猜想与假设要有可燃物质氧气或空气 sketch template

某同学为探究可燃物燃烧的条件他查阅资料得知白磷着火点为40℃红磷着火点为240℃它们在空气中燃烧都会生成刺激�吸道的白烟五氧化二磷 sketch template

题目根据如图所示探究燃烧条件的实验装置回答 1由该实验得出可燃物燃烧的条件是��2根据可燃物燃烧的条件判断如果用导管将 sketch template

题目如图的实验可用于研究燃烧的条件．已知白磷的着火点为40℃红磷的着火点为240℃．1图1的实验中分别用玻璃棒蘸取酒精和水在 sketch template

为探究物质燃烧条件某同学做了如图所示实验已知白磷着火点40℃红磷着火点240℃�现水中白磷和铜片上红磷都没燃烧铜片上白磷着火燃烧．对 sketch template

某校化学兴趣小组的同学探究可燃物质燃烧的条件探究如下1取一支大试管往里加2mL305%过氧化氢溶液2用镊子取一块白磷投入到 sketch template

Ⅰ老师课上用如下图1图2所示实验装置探究燃烧的条件．1图1所示的演示实验你观察到的现象是．2老师演示图2所示实验的目的是 sketch template

下面是两个探究可燃物燃烧条件的实验请回答相关问题图 1 21如图1�C中加入�量白磷再加入热水塞好胶塞使导管口浸入热水中 sketch template

某同学用如图所示装置探究可燃物燃烧的条件得到以下实验事实�不通空气时冷水中的白磷不燃烧�通空气时冷水中的白磷不燃烧�不通空气时 sketch template

实验活动3 燃烧的条件 sketch template

28．某兴趣小组活动中同学们按图1装置对“可燃物燃烧的条件 进行探究探究过程中大家对磷燃烧生成的大量白烟是否危害人体健康提出�问 sketch template

某兴趣小组话动中同学们按图1装置对“可燃物燃烧的条件 进行探究．探究过程中大家对磷燃烧生成的大量白烟是否危害人体健康提出�问．查阅资料 sketch template

下图是一组研究可燃物燃烧条件的对比试验对有关实验现象和结论的判断错误的是 A实验1中红磷未燃烧说明红磷的着火点高于白磷 B实验2中 sketch template

某同学为探究可燃物燃烧的条件，他查阅资料得知：白磷着火点为40 ℃，红磷着火点为240 ℃，它们在空气中燃烧都会生成刺激�吸道的白烟——五氧化 sketch template

为了探究可燃物的燃烧条件第2实验小组的同学查阅资料得知白磷为蜡状固体有剧毒不溶于水着火点为40℃红磷着火点为240℃．然后他们利用 sketch template

为探究物质的燃烧条件某同学进行了如下图所示的实验1能说明物质燃烧需要氧气的现象是 2能说明红磷比白磷着火点高的现象是 3 sketch template

A．现象��说明物质燃烧需要氧气 B．现象�说明白磷的着火点不高于80℃ C．现象��说明两种可燃物的着火点均高于80℃ D．现象��说明两种 sketch template

Ⅰ老师课上用如图1图2所示实验装置探究燃烧的条件．1图1所示的演示实验你观察到的现象是．2老师演示图2所示实验的目的是．3 sketch template

如图所示的一组实验可用于研究燃烧条件．其中能够说明“可燃物燃烧需要温度达到着火点 的一组现象是 �图1铜片上白磷燃烧 �图1铜片上红磷未 sketch template

实验活动3 燃烧的条件 sketch template

利用如图所示实验探究可燃物燃烧的条件．1白磷燃烧的化学方程式为 ．2请分析实验中铜片和热水的主要作用．3请写出本实验的现象和结论 sketch template

为探究燃烧的条件小花同学查阅资料得知白磷为蜡状固体有剧毒不溶于水着火点为40℃红磷着火点为240℃．然后她进行了如下实验1按 sketch template

小明用右图所示装置探究燃烧的条件．1实验中观察到红磷白磷的变化是试管中的白磷燃烧水中的白磷和试管中的红磷不燃烧试管中的白磷燃烧水中的 sketch template

题目磷是初中化学实验中经常使用的物质化学小组的同学以“磷的燃烧 为主题设计并整理了以下三组实验请你参与完成1探究空气中氧气的含量 sketch template

为探究燃烧的条件小明同学用如下图所示的装置进行了实验1如图�取两支试管1号试管中放入绿豆一般大小红磷2号试管中放入绿豆一般大小 sketch template

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