In this book you will find a lot of chemical tests on different tastes and different complexity, from the easiest for beginners to very ingenious, based on the skilful young chemist who led the teacher is engaged in chemical circle. Do not be fooled no one difficulty or ease other experiments: for the wider choice, the easier it is to find yourself on the forces of experiences and inclinations. It is not necessary to read this book from cover to cover, from it you can select only what interests you.
Any chemical experiments, including those listed here, it is better to put a chemical circle. Of course, to be accurate and precise, and home tests do not give reason for concern. However, in the circle will help you understand the essence of the reactions taking place, it explains how better and easier to set up an experiment to provide equipment and reagents.
Unfortunately, not everyone has the opportunity to engage in circles. Well, and it should not be an obstacle. Many experiments can be put in a modest house on a makeshift laboratory. For information on how to arrange it, will be discussed immediately after the preface. We ask that you read this section, especially its beginning, all, without exception, our readers, even those who already have some skills in this matter. And not just because you are quite likely to find there something new and useful for yourself, but also for the reason that it never hurts to remember once again how to make the experience safe and accessible. If you start the first experiments, try as much as possible to listen carefully to all our advice.
Passion usually begins with chemistry experiment, and not by accident almost all the famous chemist from childhood loved to experiment with substance. But some budding chemists somehow believe if these experiences - it was thunder and sparkle, smoke and acrid smells. Not at all, I assure you. There are many very interesting experience, not fraught with any threat, but they are not less instructive and beautiful. If your parents are concerned about the upcoming chemical classes, give them clean the following phrase, which we'll start with special red string.
If to experiment, placed in this book, just as we advise the explosions never will.
But - again and again - is preferable to deal with the chemistry is not at home, and in the circle. Moreover, some of the experiments did not manage to put the home - not so much because of the complexity of the experiment, but because of the lack of home-relevant reagents and instruments. But if the experience is suitable for home lab, we will try to do so, so that you can do with improvised means and those substances that can be bought at a pharmacy or hardware store. Some experiences are so simple that they can put young fans of chemistry, has not yet begun to study at the school this wonderful science.
We hope that our experiences will put young chemists from different classes and with different preparation, we did not, as is customary in the textbooks result in each case the reactions, and only limited mention of substances which are obtained, by varying the reaction. This will enable the easy to read text, and those for whom the complex chemical equations still remain a mystery. And high school students, if they are interested in recording the exact chemical reaction can always find the corresponding equations in textbooks and manuals. To facilitate this search, we will from time to time or the initial write of formula formed during the reaction substances.
This book is divided into six sections, the first - the preliminary advice and instructions on how to arrange the lab, and in others - experience. To facilitate the search for experiments and a series of experiments to separate one from the other, each section is divided, in turn, on the head. Sometimes, to avoid repetition, we will refer you to the chapter in which we are interested already mentioned substances, reactions