Water solutions of which of the following are basic?
a. Soft drinks
b. Baking soda
c. Lemonade
d. Vinegar
[Ques. 2] On Earth, the magnitude of the velocity of a vertical projectile at its maximum height is equal to ______________.
Fill in the blank(s) with correct word
[Ques. 3] Which of the following is a weak base?
a. NH3
b. NaOH
c. KOH
d. Ca(OH)2
[Ques. 4] On Earth, the magnitude of the acceleration of a vertical projectile at its maximum height is equal to ______________.
Fill in the blank(s) with correct word
[Ques. 5] A weak acid is one that does not
a. taste very sour.
b. ionize appreciably in water.
c. form hydrogen gas when a metal is dropped in.
d. neutralize OH- ions.
[Ques. 6] In straight-line motion, if a moving object speeds up, the direction of the acceleration is ______________ the direction of the velocity.
Fill in the blank(s) with correct word
[Ques. 7] Which of the following is a strong acid?
a. Citric acid
b. Nitric acid
c. Phosphoric acid
d. Acetic acid
[Ques. 8] In straight-line motion, if a moving object slows down, the direction of the acceleration is ______________ the direction of the velocity.
Fill in the blank(s) with correct word
[Ques. 9] Which of the following is a weak acid?
a. Hydrochloric acid
b. Nitric acid
c. Sulfuric acid
d. Acetic acid
[Ques. 10] The distance a dropped object travels is proportional to the ______________ of the time.
Fill in the blank(s) with correct word
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