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What will be the colour of magnesium after rubbing with sand paper?
The color of magnesium after rubbing it with sandpaper will remain the same, a shiny metallic silver color. Magnesium is a metal with a natural silver-white appearance that is not altered by sanding.
Is turning litmus paper red from blue a chemical change?
Yes, turning litmus paper red from blue is a chemical change because the color change results from a chemical reaction between the litmus paper and the substance it comes into contact with, indicating a change in the chemical composition of the paper.
Does tearing paper into strips cause a chemical reaction?
No, tearing paper into strips does not cause a chemical reaction. It is a physical change where the paper is being physically separated into smaller pieces without any new substances being formed.
What Chemical Reaction releases energy as the burning of paper?
combustion
Could the change in the pH paper itself be a reaction Support your answer?
The substances contained in the pH paper react with the substance to be tested; and this is a chemical reaction.
Is rubbing a marker on a paper a chemical reaction?
Rubbing a marker on paper does not involve a chemical reaction. The transfer of ink from the marker to the paper is a physical process, specifically the physical adhesion of the ink to the paper fibers.
What will be the colour of magnesium after rubbing with sand paper?
The color of magnesium after rubbing it with sandpaper will remain the same, a shiny metallic silver color. Magnesium is a metal with a natural silver-white appearance that is not altered by sanding.
What is the chemical reaction of burning a paper?
Burning is an oxydation reaction.
Why is burning paper considered as a chemical change?
the paper undergoes combustion, a type of chemical reaction
What is a chemical reaction melting ice rubbing a marker on paper burning a candle rusting iron?
Melting ice is a physical change as it involves a change in state from solid to liquid without changing the chemical composition. Rubbing a marker on paper involves a physical process of transferring ink from the marker to the paper, without any new chemical reactions occurring. Burning a candle is a combustion reaction where the wax reacts with oxygen to produce heat, light, carbon dioxide, and water vapor. Rusting iron is a chemical process where iron reacts with oxygen and moisture in the air to form iron oxide.
Why is paper burning a chemical reaction?
Burning is a sign of a chemical change
Is turning litmus paper red from blue a chemical change?
Yes, turning litmus paper red from blue is a chemical change because the color change results from a chemical reaction between the litmus paper and the substance it comes into contact with, indicating a change in the chemical composition of the paper.
What is a basic example of a chemical reaction?
Burning paper.
Is paper going through a shredder a chemical reaction?
no!
Does tearing paper into strips cause a chemical reaction?
No, tearing paper into strips does not cause a chemical reaction. It is a physical change where the paper is being physically separated into smaller pieces without any new substances being formed.
What Chemical Reaction releases energy as the burning of paper?
combustion
What is paper burning an example of?
A chemical reaction, and also a reaction in general.
