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What else can I help you with?
Is burning a fire work a physical or chemical change?
chemical
What energy is used for a fire to work?
Chemical energy!
Is a atomic bomb physical or chemical change?
Work of an atomic bomb is a physical process.
What chemical reaction will be needed in a fire work?
you would need warmth
Is fire work bursting into flames a phsical or chrmical change?
Chemical
How does a Wet chemical Extinguisher Work?
it takes one of the elements of the fire triangle
What is the energy in a chemical or physical change that is available to do useful work?
Free energy
Is atomic bomb a chemical change?
Work of an atomic bomb is a physical process.
Is dissolving salt in water a a chemical change or a physical change?
It is a physical change as it can be "undone" by evaporating the water. An simple example of a chemical change is baking a cake, you can't un-bake a cake. To work out whether it is a chemical or physical change just think whether it can be undone or not.
What are the different types of hazard in the work place?
physical, chemical, biological, ergonomic and psycological hazards
What are three typed of chemical weathering?
Chemical(acid in rainwater dissolving limestone), biological (work of animals and plants) and physical (freeze thaw)
Is bleaching your hair physical or chemical property?
Bleaching your hair is a chemical process, not a physical property. The chemicals in hair bleach work to break down the natural pigments in your hair, resulting in a lighter color. This change is due to a chemical reaction rather than a physical characteristic of the hair itself.
