Question

#1: Pickles and lemons have a sour taste. What types of substances are in pickles to give them this sour taste?

A. acids

B. bases

C. salts

***my answer: A. acids

is that right? @aaronq :)

Answer 1

#2: What happens when an acid reacts with a metal such as magnesium?

A. The acid is converted to a base.

B. The temperature decreases.

C. The metal becomes polished and shiny.

D. A chemical reaction occurs.

***my answer; D. A chemical reaction occurs.

is that right?

Answer 2

#3: What is produced when an acid reacts with a base?

A. acid

B. base

C. salt and water

D. gas

***i don't really get this one. :( what do you think @aaronq ? :D

Answer 3

#4: Which of the following is Arrhenius's definition of an acid?

A. a substance that dissociates in water to produce hydroxide ions (OH-)

B. a substance that dissociates in water to produce hydrogen ions (H+)

C. any substance that can donate hydrogen ions (H+)

D. any substance that can accept hydrogen ions (H+)

***not too sure.. i think its either B or C

what do you think?

Answer 4

HCl + NaOH -> H2O + NaCl

Answer 5

#5: Which of the following is a Brønsted-Lowry base but not an Arrhenius base?

A. NH3

B. NaOH

C. KOH

D.. Ca(OH)2

***my answer; A. NH3

is that right? :)

Answer 6

4 is B, arrhenius talks about increasing/decreasing H+ in water

Answer 7

which problem did this refer to?

HCl + NaOH -> H2O + NaCl

Answer 8

yes!

Answer 9

for #5

Answer 10

that was for #3.. the yes was for #5

Answer 11

okay awesome! :)

so we have 4 and 5... right?

so 3 is C. salt and water ??

and what about 1 and 2?

Answer 12

were 1 and 2 right? :/

Answer 13

4 was B, and 3 is salt n water, everything else was good

Answer 14

awesome! :) kk thanks :)