What is the chemical formula for the reaction between sulfur dioxide and hydrogen peroxide?
8th Grade Fall Semester Exam

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Science
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8th Grade
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Hard
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1.
FLASHCARD QUESTION
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Back
2.
FLASHCARD QUESTION
Front
How many hydrogen atoms are produced in the reaction of 2SO2 and 2H2O2?
Back
4 hydrogen atoms are present in the products.
3.
FLASHCARD QUESTION
Front
What are the primary components of the sun?
Back
The sun is primarily made up of Hydrogen and Helium.
4.
FLASHCARD QUESTION
Front
Define adhesive in the context of water molecules.
Back
Adhesive refers to the property that allows water molecules to stick to other surfaces.
5.
FLASHCARD QUESTION
Front
Which type of electromagnetic radiation has the longest wavelength?
Back
Infrared rays have the longest wavelength and the lowest frequency/energy.
6.
FLASHCARD QUESTION
Front
What is surface tension?
Back
Surface tension is the tightness across the surface of water that enables objects like paper clips to float.
7.
FLASHCARD QUESTION
Front
What is the definition of polarity in chemistry?
Back
Polarity refers to the distribution of electrical charge over the atoms joined by the bond.
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