Which of the following statements is true of specific gravity? ...

[hbsimmons88]

Which of the following statements is true of specific gravity?
 
  A) It has the units of g/cm3
  B) Specific gravity is constant at any temperature.
  C) Specific gravity is unitless because it is the density of one substance divided by the density of water.
  D) Specific gravity is a measure of the reactivity index of a substance.

Question 2

What element is undergoing reduction (if any) in the following reaction? Zn(s) + 2 AgNO3(aq)  Zn(NO3)2(aq) + 2 Ag(s)
 
  A) Zn
  B) N
  C) O
  D) Ag
  E) This is not an oxidation-reduction reaction.

Question 3

Magnesium in magnesium chloride has two bonds and two non-bonded pair of electrons.
 
  Indicate whether the statement is true or false

[Gabe]

Answer to Question 1

C

Answer to Question 2

D

Answer to Question 3

FALSE

[hbsimmons88]

Great answer, keep it coming

[Kedrick2014]

Gracias!