Health Effects of Cosmetics
Most cosmetic products have chemicals that are harmful to the body when used excessively or over a long period of time. Prolonged use of...
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Most cosmetic products have chemicals that are harmful to the body when used excessively or over a long period of time. Prolonged use of...
Body cosmetics are substances used to care for the skin to improve its appearance or smell. Usually, they are a mixture of chemical...
People born with reproductive or sexual structure that does not fit the category of male or female are termed as intersex. An intersex...
A doctor can prescribe hormonal medication that can help control heavy bleeding. If one experiences heavy bleeding, an iron supplement...
Irregular periods. This can be determined by finding out how long your menstrual cycles are. You can determine your personal menstrual...
Acids and bases are widely used in our daily life such as in agriculture, food preparation and medicine. Uses of acids....
pH scale and pH chart. pH stands for potential of Hydrogen. It is used to find the numeric value of the level of acidity or basicity of a...
We filter dirty water through a piece of cotton cloth to obtain clean water at home. However, we should always boil such water to kill...
Separating mixture through solvent extraction. Requirements. Piece of plain paper. Evaporating dish. Mortar and pestle. Nuts. Procedure....
Pure and Impure substances. When two pure substances are mixed together they form a mixture. A mixture is an impure substance. Therefore,...
Handle all glass material carefully. Breakages are dangerous and may result in losing important materials. Place flasks and beakers on a...
Packaging labels can be used to pass information about a certain type of products such as chemicals or food materials. A food label is a...
When working in the laboratory, you must observe the following safety rules: Work carefully as carelessness can cause accidents as well...
All laboratories should have a first aid kit. The first aid kit should contain the following: An instruction manual giving general guidan...