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WorksheetsProperties Review
Total questions: 30
Worksheet time: 16mins
In order to determine whether a sample of a liquid is acidic or basic, you would use a pH test ____.
to measure the pH level of the liquid.
to determine the color of the liquid.
to find the boiling point of the liquid.
to check the viscosity of the liquid.
Capillary action happens because of what property of water?
adhesion
surface tension
cohesion
property
Certain insects are able to walk on the surface of water without sinking. How is this possible?
Due to the surface tension of water and being able to distribute their weight over a large area
Due to the surface tension of water and being able to repel water
Due to the surface tension of water and buoyancy
Due to the surface tension of water and the smoothness of the water’s surface
What color does a base turn litmus paper?
red
yellow
blue
purple
What type of solution is one that has a pH of 9?
acid
base
neutral
acidic and basic
What is formed when an acid and a base are combined?
sugar
baking soda
acidic solution
salt
What do acids and bases have in common?
A ph of 7 indicates the liquid is both an acid and a base
Acids and bases are both corrosive.
Acids and bases are both toxic.
Acids and bases both turn red litmus paper blue.
Water is transported up a straw. How does Cohesion and Adhesion play a role in water being transported in a straw?
A. Adhesion keeps the water molecules together. Cohesion pulls the water molecules to other molecules such as the plastic in the straw.
B. Cohesion keeps the water molecules together. Adhesion pulls the water molecules to other molecules such as the plastic in the straw.
C. Cohesion keeps the water molecules together. Surface tension pulls the water molecules to other molecules such as the plastic in the straw..
D. Surface tension keeps the water molecules together. Adhesion pulls the water molecules to other molecules such as the plastic in the straw..
Which of the following statements about bases is NOT true?
A. Bases turn red litmus to blue.
B. Bases have a pH above 7.
C. Bases are not corrosive.
D. Toothpaste and soap are examples of bases.
How does cohesion play a role in the high surface tension of water?
It causes water molecules to stick together.
It causes water molecules to stick to other substances.
It causes water to flow easily.
It causes water to evaporate.
What role does adhesion play in wetting a surface?
It causes water to bead up on a surface.
It does not allow water to touch a surface
It causes water to evaporate off of the surface
It causes water to spread out on a surface.
A group of students are generating a statement that accurately describes the chemical formula displayed below. C₃H₇NHO₂. How many total atoms does this formula have? How many elements?
14 atoms
4 elements
14 atoms
5 elements
4atoms
14 elements
42 atoms
5 elements
Milk is a very weak acid. What might its pH value be?
6.5
7.8
4.2
12.2
Which of the following is a property of a base?
bitter taste
reacts with metals
salty
sour taste
Holly has an unknown substance in a beaker. She wants to determine the relative pH of the unknown substance. She places a piece of litmus paper into the substance, and the litmus paper turns red.
The substance in the beaker
The pH of pure water is what?
7
8
2
14
You spill water on the table. A few small, rounded drops join and become one.
Adhesion
Cohesion
Surface Tension
Analyze how the properties of water contribute to its role in the environment.
Water's cohesion and adhesion properties allow it to transport nutrients in plants.
Water's surface tension allows it to dissolve many substances.
Water's density creates partial charges in the electron cloud
Water's cohesion properties allow it to evaporate quickly.
Which property of water allows water to climb UP a tube (like inside a plant stem)?
Cohesion
Adhesion
Surface tension
Evaporation
What is the pH range of most acidic substances?
0 to 7
7 to 14
0 to 14
7 only
Which of the following substances is likely to have a pH greater than 7?
Vinegar
Lemon juice
Soap
Coffee
What is the effect of adhesion in plants?
It helps water to evaporate from leaves.
It helps water to stick to plant tissues.
It helps water to freeze in cold temperatures.
It helps water to boil at lower temperatures.
Which of the following is a property of bases?
Sour taste
Turns blue litmus paper red
Slippery feel
pH less than 7
Compare the pH of lemon juice to that of pure water.
Lemon juice has a higher pH than water.
Lemon juice has a lower pH than water.
Lemon juice and water have the same pH.
Lemon juice is neutral like water.
Which of the following is a property of acids?
Bitter taste
Slippery feel
Sour taste
Turns red litmus paper blue
What does it mean when there is a physical change?
Matter has change from one substance into another.
Matter has change on the molecular level
A new substance has been formed.
Matter has changed size, shape or form.
Which of the following changes is a chemical change?
ice melting
wax melting
water boiling
wax burning
What property of water is shown in the picture?
adhesion
adhesion between water molecules and molecules of a leaf
cohesion among water molecules
surface tension of the water molecules
Which household material has the most basic pH value?
Orange juice (pH=4.5)
Egg whites (pH=8)
Soap (pH=9.5)
Toothpaste (pH=9)
