Precipitation reactions
Interactive Video
•
Chemistry
•
11th Grade
•
Practice Problem
•
Easy
Tom Barclay
Used 4+ times
FREE Resource
14 questions
Show all answers
1.
SLIDE QUESTION
30 sec • Ungraded
2.
SLIDE QUESTION
30 sec • Ungraded
3.
SLIDE QUESTION
30 sec • Ungraded
4.
SLIDE QUESTION
30 sec • Ungraded
5.
DROPDOWN QUESTION
1 min • 1 pt
Use the table from page 12 of booklet to write a balanced chemical equation - put the precipitating compound last (sorry, the boxes don't do subscript)
Note: (aq) means dissolved in water and (s) means solid
(a) KI(aq) + (b) Pb(NO3)2(aq) --> (c) + (d)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The video shows water with positive and negative charges. What causes these charges?
Water is an ionic compound made up of oxygen cations and hydrogen anions
Water is a polar covalent molecule. Oxygen is more electronegative than hydrogen, pulling the shared electrons in the bond towards itself, creating partial charges.
Water rushes around the glass container and creates static electricity that gives it a charge.
The video is wrong, water is entirely uncharged and non-polar
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What error is in the text on the screen at the moment?
The charges on the ions are wrong
The French has an error (?)
sodium chloride is not a covalent molecule, it's an ionic compound
the chloride ion should be smaller than the sodium ion
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