What is a Chemical?
What are pollution, explosions, or cancer?
The common myth says chemicals are exclusively associated with these negative things
What is a chemical reaction?
the process by which one or more substances change to produce one or more different substances
What is H2SO4?
The chemical formula for Sulfuric Acid.
What is Propylene used for?
for plastic-producing
which physical state of matter has neither a fixed volume nor a fixed shape ?
gas
What is a chemical?
Any substance that has a defined composition and is always made of the "same stuff".
give examples on combustion?
Striking a match, cooking food, or starting a gasoline engine
What is Ammonia chemical formula?
NH3
What is Chlorine used for?
for bleaching fabrics, purifying water, and as a disinfectant.
What is a solid?
In this state, particles are held tightly in a rigid structure and only vibrate slightly in place.
What is Polyethylene?
An example of a manufactured (synthesized) chemical
give example on a synthetic chemical?
Unlike cotton or wool, polyester is classified as this type of chemical material
What is C2H4?
The chemical formula for Ethene.
what are chemicals used in producing plastic ?
Both Ethene and Propylene are primarily used in the production of this common material.
What is the microscopic view?
This view focuses on individual particles, velocity, energy, and positions of molecules, rather than what we see with the unaided eye.
give examples of natural chemicals
Water, Carbon dioxide, and Aluminum are examples of chemicals with this type of origin
why is chemical reaction is important
Chemical reactions are necessary for living things to grow and for dead things to do this.
What is the chemical formula of Propylene?
C3H6
What are chemicals used in the production of fertilizer?
Sulfuric acid and Ammonia
why particle arrangement is important?
According to the golden rule, the type and this feature of particles determine the properties of matter.
What happens without chemicals?
Without chemicals, this specific section of the supermarket would be completely empty because water is a chemical.
how technology represents chemical reaction ?
Switching on a flashlight or taking a photograph represents chemical reactions in this specific daily category.
according to what the The top five chemicals ranked to ?
The weight
what is the chemical used in ripening fruits ?
Ethene
in which physical state the particles slipping past one another?
In a liquid state, particles move by doing this, allowing them to flow like grains of sand.