Classify the following as to chemical or physical change: Assignment : Copy and write your answer beside the given words 1. formation of fog 2. acetone evaporates 3. mixing alcohol in water 4. cutting of styrofoam 5. pulverising Biogesic tablet 6. dyeing white hair 7. Freezing of liquid 8. Combustion of paper 9. souring of food 10. production of light from electricity 11. digesting of chicken 12. corrosion of metal 13. chewing a food 14. stretching of balloon
States of Matter
The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
Classify the following as to chemical or physical change:
Assignment : Copy and write your answer beside the given
words
1. formation of fog
2. acetone evaporates
3. mixing alcohol in water
4. cutting of styrofoam
5. pulverising Biogesic tablet
6. dyeing white hair
7. Freezing of liquid
8. Combustion of paper
9. souring of food
10. production of light from electricity
11. digesting of chicken
12. corrosion of metal
13. chewing a food
14. stretching of balloon
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