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TAKS Tuesday 4
Test Description: Review game based on TAKS review questions, week 4
Instructions: Answer all questions to get your test result.
1) Why is a ship with a hollow steel hull able to float in seawater?
A
The buoyancy force on the ship is less than the weight of the seawater displaced by the ship
B
The ship displaces a volume of seawater that weighs more than the ship
C
The buoyancy force on the ship is less than the weight of the ship
D
The density of steel is greater than the density of seawater
2) Based upon their location on the periodic table, which of the following pairs of atoms would most likely form covalent bonds?
A
Ca and O
B
P and O
C
Al and F
D
Na and Cl
3) What type of matter is Calcium Chloride?
A
Molecular compound
B
Ionic Compound
C
Element
D
Covalent compound
4) Which of the following statements relates one way water undergoes a chemical change?
A
Water reacts with sodium to form hydrogen gas and sodium hydroxide
B
Liquid water evaporates to form water vapor
C
Liquid water freezes to form ice
D
Water vapor condenses to form liquid water
5) Which set of coefficients balances the chemical equation?
A
2,3,1,1
B
2,3,1,3
C
2,1,1,1
D
1,3,1,3
6) Which of the following statements about water dissolving the ionic compound potassium chloride is TRUE?
A
Positive oxygen ends of water attract negative chloride ions
B
The partially negative hydrogen ends of the water molecule attract the positive potassium ions
C
The partially negative oxygen end of the water attracts positive chloride ions
D
Positive hydrogen ends of the water attract negative chloride ions
7) How does temperature affect solubility?
A
Gas solubility decreases with higher temperatures, while the solubility of solids usually increases
B
A rise in temperature always increases solubility
C
A rise in temperature always decreases solubility
D
Temperature does not affect solubility
8) The pH of black coffee is 5; antacid is 8; hand soap is 10. Which statement is true?
A
Antacid is 100 times more acidic than handsoap
B
Antacid is 100 times more basic than coffee
C
Hand soap is twice as basic as black coffee
D
Hand soap is 100 times more basic than antacid
9) Which will allow measurement of a liquids volume with greatest precision?
A
100 mL cylinder with 1 mL units
B
50 mL cylinder with 1 mL increments
C
200 mL cylinder with 5 mL increments
D
100 mL cylinder with 0.5 mL increments
10) At which temperature do KBr and KNO3 have the same solubility?
A
80 degrees C
B
65 degrees C
C
27 degrees C
D
48 degrees C
*select an answer for all questions
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