Colour and cosmetics - Study guides, Class notes & Summaries

INTRODUCTION The consumption of herbal medicines is increasing steadily throughout the world as an alternative treatment for alleviating a number of health problems including heart diseases, diabetes, high blood pressure and even certain types of cancer. In India use of herbal drugs is much more because of their easy accessibility. Unlike drugs, herbal products are not regulated for purity and potency .There are neither studies on their effectiveness nor control over the quality and safety ...

GCSE Chemistry AQA C8 Chemical Analysis (Paper 2 - Triple) Rated A+ 1. What is the definition of a pure substance? Answer: A pure substance is a substance that contains only one compound or element throughout. 2. How can you determine the purity of a substance? Answer: You can determine the purity of a substance by measuring its melting and boiling points and comparing it with data from a book. The impurer a substance, the lower its melting point and higher its boiling point. 3. Wh...

GGH2604 Assignment 2 Essay 2021. People And The Environment. Plastic Pollution Plastic pollution has been around for decades. The details and effects of plastic pollution is usually very visually prominent in the area. Recent studies also now indicate the impact plastic pollution has on the water and oceans. Plastic pollution in the ocean has a colossal effect on both marine animals as well as the well-being of humans. These effects will be discussed in the essay below as well as measures a...

CHM 331 INTRODUCTION TO INDUSTRIAL CHEMISTRY LECTURE NOTES WASTEWATER TREATMENT The principal objective of wastewater treatment is generally to allow human and industrial effluents to be disposed of without danger to human health or unacceptable damage to the natural environment. Irrigation with wastewater is both disposal and utilization and indeed is an effective form of wastewater disposal (as in slowrate land treatment). However, some degree of treatment must normally be provided to raw ...