根据"The baking soda is a base(碱),while the vinegar is an acid(酸). When the two are put together, they create CO2."可知,小苏打和醋的反应会释放出二氧化碳,故选C 【小题2】 细节理解题。根据"Before you begin. make sure that you pull the balloon long to make it as easy as possible...
根据You can makeuse of the CO2 (carbon dioxide) given off bya baking soda(小苏打)and vinegar reaction to blow up your balloon!可知你可以利用小苏打和醋反应释放的二氧化碳来炸掉你的气球!因此可知小苏打和醋反应会产生二氧化碳,故选C.2)D.细节理解题。根据Before you begin,make sure that you pull ...
Baking Sod a and Vinegar Balloon Experiment baking sod a bottle vinegar balloor Ubaking soda Chemical reactions (反应) make for some great experiments. You can make use of the CO2 (carbon dioxide)given off by a baking soda(小苏打) and vinegar reaction to blow up your balloon!What you'll...
Combine a fizzingbaking soda and vinegar reactionwith balloon play with this easy-to-set-upballoon science experiment for kids. Find out how to blow up a balloon with baking soda and vinegar. Grab a few simple ingredients from the kitchen, and you have fantastic chemistry for kids. Pin Baki...
A. foam B. smoke C. fire D. water 相关知识点: 试题来源: 解析 A。本题考查对实验现象的英语表达。mix baking soda and vinegar(把小苏打和醋混合)会产生很多泡沫,foam 是泡沫的意思;smoke 是烟;fire 是火;water 是水。根据实验常识,小苏打和醋混合会产生泡沫。反馈 收藏 ...
There was a fizzing sound and bubbles formed C. The mixture turned black D. The beaker broke 相关知识点: 试题来源: 解析 B。解析:文中提到“Then, she added a spoonful of baking soda. Immediately, there was a fizzing sound and bubbles started to form.”,所以当小苏打加入醋中时,有嘶嘶声...
Baking Soda Volcano Experiments We love all things that erupt and have been exploring different ways to create eruptions while having fun through play. Baking soda and vinegar science experiments are fantastic for kids of all ages! Here are a few of our favorite volcano eruptions… Pumpkin Volcano...
The mixture of baking soda and vinegar became ___. A. solid B. liquid C. gas D. foam 相关知识点: 试题来源: 解析 D。解析:小苏打和醋混合后会产生泡沫。A 选项 solid 表示固体;B 选项 liquid 表示液体;C 选项 gas 表示气体,都不符合小苏打和醋混合后的现象。
BakingSoda/Vinegar StoichiometryLab Materials •Balance •WeighingPaper •1teaspoonofBakingSoda •1smallbottleofvinegar •1ziplockplasticbag •Verylargebeakerofwater Procedure •Foldweighingpaper.Massitonbalance. •Putoneteaspoonofbakingsodainthe weighingpaper.Massit. •Subtractthetwovaluestofind...
Baking Soda and Vinegar Upcycled Rocket Racer: Everyone knows the classic baking soda and vinegar reaction. Mix the two together, and they create an awesome bubbly explosion. In this instructable, I will show you how you can use plastic water bottles and