Chemistry Test With Answer Key - Regents High School Examination, The University Of The State Of New York, 2016 Page 27

ADVERTISEMENT

73 [1] Allow 1 credit. Acceptable responses include, but are not limited to:
sodium nitrate
NaNO
3
74 [1] Allow 1 credit. Acceptable responses include, but are not limited to:
Sodium nitrate and potassium chromate are both soluble in water and are good conductors in
solution. Therefore, the melting points are needed to identify the substance.
Solubility alone cannot be used because two of the substances are soluble in water.
Two of the substances melt below 450.ºC.
Electrical conductivity is not sufficient to differentiate the two salts.
75 [1] Allow 1 credit. Acceptable responses include, but are not limited to:
An aqueous solution of potassium chromate has mobile ions that conduct electricity.
The K
CrO
dissociated into mobile ions.
2
4
Aqueous potassium chromate has charged particles that can move.
2
The K (aq) and CrO
(aq) move freely.
4
76 [1] Allow 1 credit for C
H
.
n
2n 2
77 [1] Allow 1 credit.
Examples of 1-credit responses:
H
H
H
H
H
H
C
C
C
C
H
H
H
H
C
C
C
C
78 [1] Allow 1 credit. The order of the elements in each compound may vary.
O(ℓ) → H
SO
(g)
H
SO
(aq)
3
2
2
4
[7]
P.S./Chem. Rating Guide–Jan. ’16

ADVERTISEMENT

00 votes

Related Articles

Top 20 Happy Easter Cards And Gift Tags To Download For Free
Top Ten Easter Arts And Crafts Activities For Your Kids
Free Easter Coloring Pages And Easter Printables For Your Kids

Related forms

Mathematics B Regents High School Examination Worksheet- University Of The State Of New York, 2007 Mathematics B Regents High School Examination Worksheet- University Of The State Of New York, 2007 Education
Mathematics B Test - Regents High School Examination, The University Of The State Of New York Mathematics B Test - Regents High School Examination, The University Of The State Of New York Education
Mathematics B Regents High School Examination - The University Of The State Of New York, 2007 Mathematics B Regents High School Examination - The University Of The State Of New York, 2007 Education
Mathematics B Regents High School Examination - The University Of The State Of New York, 2006 Mathematics B Regents High School Examination - The University Of The State Of New York, 2006 Education
Mathematics B Regents High School Examination - The University Of The State Of New York, 2006 Mathematics B Regents High School Examination - The University Of The State Of New York, 2006 Education
Mathematics B Exam Worksheet - Regents High School Examination, The University Of The State Of New York, 2005 Mathematics B Exam Worksheet - Regents High School Examination, The University Of The State Of New York, 2005 Education
Mathematics B Exam Worksheet - Regents High School Examination, The University Of The State Of New York, 2005 Mathematics B Exam Worksheet - Regents High School Examination, The University Of The State Of New York, 2005 Education
Mathematics B - Regents High School Examination - The University Of The State Of New York - 2009 Mathematics B - Regents High School Examination - The University Of The State Of New York - 2009 Education
Mathematics B Regents High School Examination - The University Of The State Of New York, 2003 Mathematics B Regents High School Examination - The University Of The State Of New York, 2003 Education
Mathematics B - Regents High School Examination, The University Of New York, 2010 Mathematics B - Regents High School Examination, The University Of New York, 2010 Education

Related Categories

Parent category: Education
Download
Go
Page of 33