In which of the following examples has a chemical reaction occurred?
Group of answer choices
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Chemistry, 30.10.2020 18:10 greekfreekisdbz
In which of the following examples has a chemical reaction occurred?
Group of answer choices
After putting liquid batter into a hot pan, the batter solidifies and begins to turn brown.
After turning on a blender filled with fruits, the fruit is chopped up and mixed together.
After taking a tray filled with ice cubes out of the freezer, the cubes begin to melt.
After adding a spoonful of sugar to a mug of hot coffee, the sugar dissolves completely.
Answers: 1
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In an investigation that uses the scientific method, which step immediately follows making a hypothesis? o summarizing the results o asking a question o making observations designing an experiment mark this and retum save and exit next submit
Answers: 2
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Which statement best summarizes the importance of ernest rutherford’s gold foil experiment? it proved that all of john dalton’s postulates were true. it verified j. j. thomson’s work on the atomic structure. it showed that an electron circles a nucleus in a fixed-energy orbit. it showed that a nucleus occupies a small part of the whole atom.
Answers: 1
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