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Q: Which force among the dispersed particles of a colloid helps prevent heavy aggregates from forming? van der Waals forces gravitational attraction electrical attraction electrical
repulsion
A: . electric force is responsible for the repulsion between two positively-charged particles
Expert answered|Moja2013|Points 7|
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Asked 4/10/2013 8:00:20 AM
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Questions asked by the same visitor
Which sentence has a compound verb? A. Your brain helps you to take a test. B. Your brain has 100 billion nerve cells, which are called neurons. C. Your complex brain thinks and controls your breathing at the same time. D. Your brain, a very complicated organ, has many functions.
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Updated 284 days ago|11/11/2016 6:07:00 AM
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The sentence with a compound verb is: Your complex brain thinks and controls your breathing at the same time.
Added 284 days ago|11/11/2016 6:07:00 AM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [11/11/2016 9:21:22 AM]
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