Which is the anhydride of calcium hydroxide?
A) CaOH
B) Ca(OH) 2
C) CaO
D) CaO2
Correct Answer:
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Q48: Which bond type is weakest?
A)Polar covalent bond
B)Nonpolar
Q49: The low equilibrium vapor pressure of water
Q50: Which is the anhydride of sulfuric acid?
A)H2SO3
B)H2SO4
C)SO2
D)SO3
Q51: How many grams of water would react
Q52: Which is the anhydride of nitric acid?
A)NO3
B)NO2
C)N2O4
D)N2O5
Q54: Use the following information to select the
Q55: Which is the anhydride of sodium hydroxide?
A)NaO
B)Na2O
C)NaOH
D)Na(OH)2
Q56: What is the maximum density of water?
A)0.804
Q57: Which is a basic anhydride?
A)Sodium oxide
B)Nitrogen dioxide
C)Dinitrogen
Q58: Hard water contains salts of
A)potassium and sodium.
B)calcium
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