WorksheetsCP Physical Science Semester 1 Exam Practice (Holt)
Total questions: 118
Worksheet time: 1hrs 14mins
This could be the dot diagram of
Ne
H
C
F
The flammability of a substance is
A. a chemical property.
B. related to the density
C. a physical property.-
D. changeable.
What is formed when particles of two or more substances are distributed evenly among each other?
A. compound
B. suspension
C. solution
D. element
What is a pure substance made of two or more elements that are chemically combined called?
A. element
B. compound
C. mixture
D. solution
When materials combine to form a mixture, they
A. keep their original properties.
B. react to form a new substance with new properties.
C. combine in a specific ratio.
D. always change their physical state.
When elements form mixtures, the elements
A. keep their original properties.
B. react to form a new substance with new properties.
C. combine in a specific mass ratio.
D. always change their physical state.
If a spoonful of salt is mixed in a glass of water, what is the water called?
A. solute
B. solution
C. solvent
D. element
The particles in both a suspension and colloid can
A. scatter light.
B. settle out.
C. be soluble.
D. pass through a fine filter.
silver spoon
A. MIXTURE
B. COMPOUND
C. ELEMENT
a milk shake
A. MIXTURE
B. COMPOUND
C. ELEMENT
Sugar water
A. SOLUTION
B. SUSPENSION
C. COLLOID
Italian dressing
A. HOMOGENEOUS
B. HETEROGENEOUS
Sugar water.
A. HOMOGENEOUS
B. HETEROGENOUS
Which form of matter has a definite shape and takes up space (has definite volume)?
liquid
solid
gas
clay
ZnCl2(aq) + Mg(s) --> Zn(s) + MgCl2(aq)
HCl(aq) + KOH(aq) --> H2O(l) + KCl(aq)
C2H5OH(l) + O2(g) --> CO2(g) + H2O(g)
H2O
HgO --> 2Hg + O2
Sb2S3 + O2 --> Sb + SO2
H2 + O2 --> H2O
