Mode of 1, 2, 3, 5, 3, 6, 3, 6, 2, 5, 3 is:
a) 1
b) 3
c) 5
d) 6
The ratio of 1.8 to 2 is equal to the ratio of:
a) 9 to 1
b) 9 to 10
c) 9 to 20
d) 18 to 100
Which of the following contain three types of chemical bonds?
a) HÂ2SO4
b) NH4Cl
c) H2O
d) HCl
The speed of light in air is:
a) 2 x108 m/s
b) 2.5 x 108 m/s
c) 3 x108 m/s
d) 3.5 x108 m/s
A scoring guide use to evaluate the quality of students is called:
a) Rubrics
b) Checklist
c) Inventories
d) Rating Scales
