chemistry help..?

[omgiitsheathe]

please help me finish this

thannk you so much
best answer ten points

1: Temporary Hard Water usually contains calcium:
Bicarbonate
Carbonite
Sulfate
Sulfite


2: The alkaline earth metals typically contain a valence charge of
-2
-1
+1
+2


3: The hardening of plaster of Paris is caused by the action of:
Carbon Dioxide
Nitrogen
Oxygen
Water


4: A water suspension of calcium hydroxide is known as:
Quicklime
Lemon water
Milk of lime
Cement


5: When Hydrochoric acid is applied to a seashell, a colorless gas rapidly evolves. This indicates that the shell probably contains:
Phosphate
Carbonate
Chloride
Sulfate


6: The permutit process is used for
Sodium Hydroxide Production
Detergent making
"Softening"
Carbonate of sodium production


7: All of the following are Aluminum alloys except:
Duralumin
Magneselum
Alclad
Magnalium


8: Which of the following is most important in current industry production?
Be
W
Na
Al


9: A substance that can act as either an acid or a base is known as:
Phototeric
Ambidextrous
Amphoteric
Anamorphic


10: Which of the following elements is most unlike the others?
Mg
Ca
Br
Pb