The solubility table shows you a list of salts that are soluble and insoluble. In general, I tell students to start by memorising the 5 insoluble Chlorides and Sulfates. Once you can recite that list off the top of your head, then add in most carbonates! (It’s...
The chapter on moles calculation can be very confusing. With so many different formulas, the common complaint I hear from students is… “How/Where do I start?” Well, whether you are doing combined chemistry or pure chemistry, the surprising fact is...
Today, we are going to take a quick look at how we can solve 3 MCQ questions on electrolysis. By the end of these 3 examples, I hope you will have a better idea on how to approach electrolysis MCQ questions and how to solve them so that you can score better marks for...
In this video, we take a look at the 3 methods:- 1. ionic precipitation, 2. titration and 3. the excess method, and how they are selected to prepare salts. In each question, we start off with a flowchart, with knowledge of the solubility of salts, to select the method...
How To Solve Qualitative Analysis Flowchart Questions With Ease! In general, when sodium hydroxide or aqueous ammonia is added, it is a test for cations. When other substances are added, it is usually a test for...
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