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WorksheetsChem1A Exam Buster Part 1
Total questions: 15
Worksheet time: 16mins
Which of the following are a heterogeneous solution?
Sugar water
IV fluids
Blood
None of the above
What is the symbol for magnesium?
Mn
Magnesium is an alloy metal not an element
Me
Mg
What is the name of Cu(NO3)2?
Curium nitroxide
Copper nitrite
Copper nitrate
Cadmium nitrate
Balance this equation; O2 + H2 -> H2O
O2 + 2H2 -> 2H2O
O2 + H2 -> 2H2O
O2 + 2H2 -> H2O
O2 + H2 -> H2O
If I have 9.0 moles of carbon, what is its mass?
108.9
109.0
110
110.0
True or false: chloride tends to form an anion
True
False
Which state of matter has the strongest intermolecular forces?
Gas
Solid
Liquid
None of the above
What is the empirical formula for C6H12O6
CH2O
C2H4O2
CHO
C6H12O6
An isotope is:
An element which contains a different number of protons than normal
An element which contains a different number of electrons than normal
An element which contains a different number of neutrons than normal
An element which has properties of a completely different element
Consider the following equation: N2 (g) + 3H2 (g) -> 2NH3 (g)
If I use 5 moles of N2 and 12 moles of H2, what would be the limiting reagent?
Ammonia gas
They are in a 1 to 1 stoichiometric ratio
Nitrogen gas
Hydrogen gas
Which of the following is a halogen?
Fluorine
Oxygen
Magnesium
Sodium
Which is a chemical change?
Frying an egg
Freezing water
Popping a balloon
Melting ice
Which ion has the correct charge?
N2+
SO3
PO48-
Cl-
What is the name of the following compound, SO42-?
Sulfate
Sulfur oxide
Tetraoxysulfide
Sulfur dioxide
NO is sometimes used as a sedative during dental procedures. If you administer 3 moles of the gas, how many grams has the patient received?
60g
90g
3g
30g
