When an atom or ion gives up electrons, it is said to be ______________.
Fill in the blank(s) with correct word
[Ques. 2] If an unbalanced force of 8 N force acts on a 7-kg object, what is its acceleration?
a. 56 m/s2
b. 1.1 m/s2
c. 0.88 m/s2
d. 15 m/s2
e. cannot be determined
[Ques. 3] The loss of oxygen or gain of electrons by an atom or ion is called ______________.
Fill in the blank(s) with correct word
[Ques. 4] If the lever arm of a 9-N force is 6 m, what is the torque acting on the object due to this force?
a. 54 Nm
b. 1.5 Nm
c. 0.67 Nm
d. 15 Nm
e. cannot be determined
[Ques. 5] When an element is oxidized, it ______________ electrons.
Fill in the blank(s) with correct word
[Ques. 6] If an object of mass 8 kg has a velocity of 7 m/s, what is its linear momentum?
a. 56 kg-m/s
b. 1.1 kg-m/s
c. 0.88 kg-m/s
d. 15 kg-m/s
e. cannot be determined
[Ques. 7] A reaction will occur when a piece of Mg is placed in aqueous Zn(NO3)2 if Mg is ______________ Zn in the activity series.
Fill in the blank(s) with correct word
[Ques. 8] ______________ principle explains why objects float or sink in a fluid.
a. Newton's
b. Pascal's
c. Bernoulli's
d. Archimedes'
[Ques. 9] When an acid reacts with a base, the products are ______________ and a salt.
Fill in the blank(s) with correct word
[Ques. 10] The buoyant force of an object is equal to the ______________ of the ______________ it displaces.
a. mass; fluid
b. weight; fluid
c. mass; solid
d. weight; solid
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