第一章测试
1
【单选题】(0.5分)
Solidshavea__________shapeandarenotappreciably__________.
A.
sharp,convertible
B.
indefinite,compressible
C.
indefinite,incompressible
D.
definite,incompressible
E.
definite,compressible
2
【单选题】(0.5分)
Thesymbolfortheelementpotassiumis__________.
A. K
B. Ca
C. P
D. Pt
E.
S
3
【单选题】(0.5分)
TheSIunitformassis__________.
A. troyounce
B. pound
C. kilogram
D. gram
4
【单选题】(0.5分)
Thetemperatureof25°Cis__________inkelvins.
A. 166
B. 298
C. 103
D. 248
E. 138
5
【单选题】(0.5分)
Thedensityofsilveris10.5g/cm3.Apieceofsilverwithamassof61.3gwouldoccupyavolumeof__________cm3.
A. 5.84
B. 0.171
C. 644
D. 0.00155
E. 10.5
6
【单选题】(0.5分)
ThecorrectresultofthemolecularmasscalculationforH2SO4is________.4×15.9994+32.066+2×1.0079
A. 98.08
B.
98.84
C. 98.074
D. 98.079
E. 98.838
7
【单选题】(0.5分)
Thereare__________significantfiguresintheanswertothefollowingcomputation:(29.2-20.0)(1.79×105)/1.39
A. 4
B. 1
C. 2
D. 5
E. 3
8
【单选题】(0.5分)
2020年智慧树知道网课《Basic Chemistry 基础化学》课后章节测试满分答案
