1.HOW CAN U TELL THAT IT‘S THE METAI ION AND NOT NON-METAL PRODUCE THE FLAME COLOUR 2 WOULD U EXPECT ALL METAI IONS TO PRODUCE A FLAME COLOUR?YES BUT HOW TO EXPLAIN 3.HOW TO IDENTIFY THE UNKNOWN METAL ION BY ITS CHARACTERISTIC FLAME COLOUR是一个同学问我的问题,我自己拿不准,所以...
It’s normal. The good news is your relationship isn’t doomed; you just need to make time for it and put some effort into rekindling the flame. Here are ten ways to keep the romance alive and hot when your relationship has taken a turn for Dullsville. Why doesn’t she want sex wit...
1. Can UV/Vis spectrophotometry be used to absolutely determine the identity of a substance? Explain. 2. Can UV/Vis spectrophotometry be used to prove that two substances are unique? Explain. How can one know the possible ways to distinguish solutions made up of differen...
Chloride ions are chlorine atoms that gain one electron to complete their octet. As they gain one electron, they would have 17 protons and 18 electrons, resulting in the overall charge being -1.Answer and Explanation: We can use solubility of chloride compounds to he...
Materials:You can find alum in the spice section of most supermarkets. Other than that, everything you need is easy to maintain. Make sure the water you use is in fact distilled, i.e., "pure" and free of ions that could contaminate the process. You should have at your disposal these...
Proteins can bind to the nonionized form and release hydrogen ions, which changes the pH and the color of the paper. If protein is present, then the color of the paper will change from yellow to green or blue, depending upon the concentration of protein. Fetal Heartbeat One of the more...
I have been using laundry balls for four years now (I’m about to order my third set.). I find they work equally well in cold and in hot water. The hardest thing for me to adjust to was the absence of any scent. With no laundry detergent to signal “clean” with its smell, it...
to her? Because he knows she will find out. It’s better if he explains it to her. He starts again, and this time the tail of the serpent crawls out of his throat, the whole thing, and now it is she who is sitting on the ground crying and ...
As a part of my earthenware experiment, I decided to try an unglazed clay pot for cooking in 2017. In the light of concerns about lead and cadmium in ceramic dishware and cookware, I was glad to find Miriam’s Earthen Cookware. On her website, Miriam featured a report confirming that ...
The wavelength of light is the distance between any two successive troughs or peaks. The higher the wavelength, the longer the distance, and vice versa. Each wavelength that falls within the visible light spectrum has its own color. But the wavelengths of ...