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Is a firework a physical or chemical change?
A firework undergoes both physical and chemical changes. The lighting of the firework involves a chemical reaction within the firework's composition to produce the colors and effects seen in the sky. The transformation of the firework materials into smoke and ash after the display represents a physical change.
Is a firework a chemical or physical change?
chemical
Is lighting a firework irreversible and why?
No, lighting a firework is not irreversible. Once ignited, the firework will burn and explode, but the process itself is not permanent. The chemical reactions that produce the light and sound are temporary and do not alter the firework in a permanent way.
How does a firework take off?
A firework takes off when it is ignited, causing a chemical reaction inside the firework. This reaction produces gas rapidly, building up pressure inside the firework until it eventually forces the firework to launch into the sky.
What chemical reactions happen when a firework is lit?
combustion...
What makes a firework brilliant green?
barium nitrate
What chemical makes the colour red in a firework?
red food colouring;)
Is a firework a physical or chemical change?
A firework undergoes both physical and chemical changes. The lighting of the firework involves a chemical reaction within the firework's composition to produce the colors and effects seen in the sky. The transformation of the firework materials into smoke and ash after the display represents a physical change.
Is a firework a chemical or physical change?
chemical
Is firework is chemical or physical change?
chemical
Is lighting a firework irreversible and why?
No, lighting a firework is not irreversible. Once ignited, the firework will burn and explode, but the process itself is not permanent. The chemical reactions that produce the light and sound are temporary and do not alter the firework in a permanent way.
Is firework explosion physicalchange?
Definitely a chemical change, The elements in the firework undergo very rapid combustion (burning) which is a chemical change.
Is an firework a chemical change?
Use of fireworks is a chemical change.
What is the chemical that makes leafs green?
chlorophyll.
What chemical makes the plant cells green?
the green pigment chlorophyll.
What is a green chemical that makes chloroplast green?
Chlorophyll is the chemical.It is a photosynthetic pigment.
How does a firework take off?
A firework takes off when it is ignited, causing a chemical reaction inside the firework. This reaction produces gas rapidly, building up pressure inside the firework until it eventually forces the firework to launch into the sky.
