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Worksheets17-18 WEEKEND PREP
Total questions: 24
Worksheet time: 12mins
Four substances were tested for pH, lemon juice (pH 2), baking soda (pH 9), bleach (pH 12), and milk (pH 6). Which of the following correctly lists the substances from most basic to acidic?
lemon juice, milk, baking soda, bleach
bleach, baking soda, milk, lemon juice
milk, lemon juice, baking soda, bleach
baking soda, bleach, lemon juice, milk
Which of these is a property of acidic solutions?
they taste sour
they feel slippery
they are in many cleaning products
they taste bitter
Acids are substances that release positively charges (a) ions in water
Bases turn red litmus paper (a) .
The (a) scale measures the strength of acids and bases.
A sugar solution does not change the color of both blue and red litmus paper. This means the sugar solution is a ________.
acid
base
neutral
What type of reation occurs between an acid and a base?
Combustion
Synthesis
Neutralization
Double Replacement
A type of chemical that forms solutions that taste sour, due to high concentrations of positive hydrogen ions
acid
base
salt
pH
What is the monomer of carbohydrates
disaccharides
monosaccharides
amino acids
fatty acids
How many monomers make up disaccharides?
one
two
three
zero
Which of these are examples of carbohydrates?
DNA, RNA
Fats, hormones
amino acids
starches, glucose, cellulose
Carbohydrates (hexoses) are composed of the following:
carbon, oxygen, hydrogen in a 1:2:1 ratio
carbon, hydrogen, oxygen in a 1:3:1 ratio
carbon and hydrogen in a 1:2 ratio
carbon, hydrogen, oxygen in a 1:2:1 ratio
Carbohydrates are prevalently found in food groups such as
meats
fruits and grains
eggs and poultry
all of the above
Compound Function: to provide energy, can be broken down into sugars
Lipids
Proteins
Nucleic Acids
Carbohydrates
