The Chemical Substances Hazardous ang dangerous for humans

Chemical Substances Hazardous There are chemicals that are harmful to humans , among others :a. Aluminum sulfate (also 4 )Shaped white crystals , soluble in water . Sulfatdigunakan aluminum instead of alum .b concentrated ammonia ( NH 4OH )Concentrated...

how to use a microscope properly

How do I use a microscope correctly ? To be able to use a microscope to properly consider the following steps :a. Finding the visual field by adjusting irradiation to produce the visual field is the mengatu mirror while looking at that light into...

microscope

In the history of the microscope discovered 16th century thanks to the discovery of a scientist , living thingswhich can not be seen can be seen by using a tool . The tool is a microscope , which allows one to observe objects or beings that are not...

Scientific Work

Scientific Work If someone wants to know something by observation , would not work well if the observations made without going through the steps or planned and systematic method to obtain evidence of the biotic and abiotic . Biotic is a living...

Factors that affect chemical reactions

Factors that affect chemical reactions Chemical reactions can take place quickly, it can also be slow. There are several factors that affect the rate of reaction, among others: 1. Factors Particle Size Collisions between reactants can result in a chemical...

Characteristics of Chemical Reactions

Characteristic Chemical Reactions Chemical reactions that occur result in some changes , among others :1 . Characteristic Chemical Reaction Formation DepositionTry to observe the bottom of the pot used to boil water , is there anything that sticks...

Various chemical reactions

Various chemical reactions in order to facilitate the conduct of chemical reactions , chemical reactions are then grouped by similarity owned . One classification system based on the way the atoms rearrange in chemical reactions , among others :1...

Some things to consider in the equation of Chemistry

Some things to consider in the equation , namely :1 . CoefficientNumbers are on the left formula reactants and reaction products are called coefficients . Each coefficient in the equation represents the number of units of each substance in the reaction2...