How do you test for aluminum ions? How do you test for ammonium ions? Ammonium ions can be determined in a solution by adding a dilute sodium hydroxide solution and heating gently. If ammonium ions are present, it will be converted into ammonia gas. Ammonia has a characteristic suffocating odor. It also converts wet red … Read more
As a result of housing tensions, many Black residents ended up creating their own cities within big cities, fostering the growth of a new urban, African American culture. The most prominent example was Harlem in New York City, a formerly all-white neighborhood that by the 1920s housed some 200,000 African Americans. How did the great … Read more
Emerald ash borer does not attack mountain ash (Sorbus sp.) and has not attacked other tree species in North America. The EAB infestation has severely affected ash trees in southeastern Michigan. Estimates suggest more than 20 million ash trees in urban, suburban and forested areas have already been killed. what do you do if your … Read more
According to 130.2, “energized electrical conductors and circuit parts operating at voltages equal to or greater than 50 volts shall be put into an electrically safe work condition before an employee performs work if any of the following conditions exist: 1-The employee is within the limited approach boundary. when should energized electrical work be considered … Read more
A resignation may come about because of personal or professional reasons. … In the vast majority of cases, board members have the right to resign whenever they want to. One rare, but notable, exception for board resignations is when resigning would cause a breach of the board member’s fiduciary duties. Can I resign as a … Read more
