What is the name of Na2SO3, a preservative in many foods and drinks?
A) sodium sulfite
B) sodium sulfate
C) disodium sulfur trioxide
D) sodium sulfur trioxide
E) disodium trisulfite
Correct Answer:
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Q41: What is the name of CaCO3, a
Q42: What ionic compound has the formula Na2O?
A)
Q43: Which of the following is NOT a
Q44: Below are four compounds.Choose the statement below
Q45: The conventional way of writing the symbol
Q47: In an ionic compound
A) nonmetals share electrons.
B)
Q48: Which of the following statements about the
Q49: Another name for an ionic compound is
Q50: A compound contains magnesium and phosphate.What is
Q51: How many valence electrons does chlorine have?
A)
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