In order to convert 121 dm to mm one needs to multiply by ________.
A) 107
B) 102
C) 10-2
D) 10-5
Question 2
For the following balanced reaction, which of the following is a gas? 2 Na(l) + Cl2(g) 2 NaCl(s)
A) Na
B) 2 Na
C) Cl2
D) Cl
E) NaCl
Question 3
How many electrons are gained or lost in the following half-reaction? Zn Zn2+
A) 2 electrons are lost
B) 1/2 electron is gained
C) 1/2 electron is lost
D) 2 electrons are gained
E) 4 electrons are gained
Question 4
Which of the following is not a saccharide?
A) cellulose
B) carbohydrates
C) glycogen
D) starch
E) All of the above are saccharides.