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If you watch exploding fireworks from a safe distance hat evidence of a chemical reaction can you observe?
Wiki User
∙ 7y ago
Burning of metals in fireworks is a chemical reaction and is what makes the fireworks glow with different colors.
Cedrick Olson
Wiki User
∙ 9y agoBurning of metals in fireworks is a chemical reaction and is what makes the fireworks glow with different colors.
Zannisha Barnes
Q: If you watch exploding fireworks from a safe distance what evidence of chemical reaction can you observe?
Wiki User
∙ 7y agoBurning fireworks is a chemical change.
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What is an example of the formation of a precipitate?
Formation of a precipitate is evidence of a chemical reaction.
What experimental evidence led to the formulation of the law of multiple proportions?
that he researched atoms and thought of how to become famous by making a theory
What is evidence that a chemical change has happened?
A substance changes into a new kind of substance.
What are some chemical properties used to identify evidence in crime scene?
Heat and magnified fibers
What can be evidence of a chemical reaction?
Generally, you know a chemical reaction has occured if there is a change in temperature, a change in color, a formation of a gas (bubbles), or any kind of flame.
Are Fizzing or foaming evidence that a chemical change may have occurred?
yes it s an evidence that a chemical change has been occurred
What changes gives NO evidence that a chemical reaction has taken place?
Physical changes give no evidence that a chemical reaction has taken place, because no chemical reaction has taken place.
How do fireworks show chemical reactions?
The brilliant colors you see when the fireworks explodes comes from a wide variety of metal salts that are packed inside the firework. Now, when most people think of salt they're thinking of the white crystals they sprinkle on their food. That is a salt, but it's not the only salt. That's sodium chloride (NaCl). A salt is any metal atom bound to a non-metal atom. In the case of table salt, sodium is the metal and cholrine is the non-metal. When these salts burn they absorb energy, exciting electrons in the atoms. The excited electrons jump up to a higher energy level, but they are very unstable in that higher energy state. When the electrons relax back to their low energy state they release a photon of light. The color of light changes depending on the metal salt that is used. So, for example, strontium salts burn red, calcium shines orange, green is from barium, white is from magnesium, and copper shines a beautiful blue. Combinations of these salts yields the combinations of their colors (strontium and copper shines purple).
Is turning cloudy a chemical change?
A solution turning cloudy is evidence of a chemical change.
What observations give evidence that chemical reaction has happen?
No
What evidence of chemical reaction would be seen when burning a match?
Burning is a chemical reaction (oxidation).
What evidence led you to formulate the composition of the solid residue after heating the marble chip?
The evidence is by chemical analysis.
What is an example of the formation of a precipitate?
Formation of a precipitate is evidence of a chemical reaction.
What is the evidence of chemical digestion?
when you intake a chemical through your digestive system, it will later turn up in your bloodstream.
Is there evidence of a chemical reaction when bubbles form on heated water?
Yes there is a chemical reaction called 'Effervecense'.
How is a precipitate evidence for a chemical reaction?
It is a chemical reaction because a new solution is formed when a precipitate is formed.
Who has evidence of a chemical change that you can see?
You do, whenever you fry an egg.
