Vinegar is usedin cooking and cleaning, among other purposes. The acid tenderizes meat, dissolves mineral build-up from glass and tile, and removes the oxide residue from steel, brass, and bronze. The low pH gives it bactericidal activity. The acidity is used in baking to react with alkali...
根据“Before you begin, make sure that you pull the balloon long to make it as easy as possible to blow up.”可知,在开始之前,确保你把气球拉得很长,使它尽可能容易充气。故选D。【小题3】词义猜测题。根据下文“The baking soda is a base, while the vinegar is an acid. When the two ...
Whenever you combine an acid (e.g., vinegar, lemon juice,sulfuric acid, ormuriatic acid) with a base (e.g.,baking soda, soap, ammonia, or acetone), you are performing an acid-base reaction. These reactions neutralize the acid and base to yield salt and water. Sodium chloride isn't t...
故选A长难句分析 You can make use of the CO2(carbondioxide) given off by a baking soda(小苏打) and vinegarreaction to blow up your balloon! (Para. 1)分析:过去分词短语 given off by a baking soda and vinegarreaction作定语。译文:你可以利用小苏打和醋反应生成的二氧化碳来吹气球。核心词汇 ...
根据第一段中的"You can make useof the CO2(carbon dioxide) given off by a baking soda(小苏打)and vinegar reaction to blow up your balloon"可知,小苏打和醋反应释放出二氧化碳。故选C。57.D【解析】细节理解题。根据Instructions部分中的"Beforeyou begin, make sure that you pull the balloon long ...
Do your students know what elements create a chemical reaction that fizzes and erupts? Whether you're talking about a simple reaction, like baking soda and vinegar, or a more complex reaction with thermite, you are actually changing the chemical make-up of substances. ...
【题目】Chemical reactions(反应) make for some greatexperiments. You can make use of the CO2 (carbondioride) given off by a baking soda(小苏打) and vinegar reaction to blow up your balloon!What yBaking Soda and VinegarBalloon Experimentou'll needbaking sodabottle★Ballvinegaroon★ Abouvinegar...
For deep peels, individuals should soak gauze in a mixture of 1 tsp of white vinegar with 2 cups of bottled water and apply it to their face for 10 min every 1 to 2 hours. These vinegar soaks are beneficial in reducing bacterial overgrowth on the moist, healing wound. ...
I know about heating up the vinegar, because it accelerates the molecules, but i need to know if there are other ways. I cannot add more things into the reaction, only searching a way to make it more powerful. Thanks for your time!
Step 1:Put some soda into the glove,put some vinegar into the jar. Step 2: Put the glove carefully over the jar with the vinegar. Step 3: Lift the fingers up,pour the soda into the vinegar. Step 4: When the...