Acids give what ions in aqueous solutions?
a. SO42-
b. Cl-
c. OH-
d. H+
[Ques. 2] In free fall, the ______________ is constant.
Fill in the blank(s) with correct word
[Ques. 3] A compound that contains water molecules as part of its formula is called
a. a hydrate.
b. an anhydride.
c. a hydride.
d. a hydroxide.
[Ques. 4] If an object has a constant velocity, then its acceleration is ______________.
Fill in the blank(s) with correct word
[Ques. 5] An acid added to a base will produce a
a. salt and hydrogen ions.
b. salt and hydroxide ions.
c. salt and water.
d. stronger acid and base.
[Ques. 6] For there to be an acceleration, there must necessarily be a change in ______________.
Fill in the blank(s) with correct word
[Ques. 7] Which answer is incorrect? A base is a substance that, when dissolved in water,
a. reacts with an acid to neutralize its properties.
b. reacts with many metals to liberate O2.
c. changes the color of litmus dye from red to blue.
d. conducts electricity.
[Ques. 8] Speed is a(n) ______________ quantity.
Fill in the blank(s) with correct word
[Ques. 9] Which of the following is not a property of an aqueous solution of an acid?
a. Reacts with many metals to liberate hydrogen gas
b. Changes the color of litmus dye from red to blue
c. Tastes sour
d. Conducts an electric current
[Ques. 10] A compass registers ______________.
Fill in the blank(s) with correct word