Question 121
Which type of bond is formed by the electrostatic attraction between oppositely charged ions?Chemical bondingChemical Bondingmedium
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Question 122
In an electrochemical cell, what is the electrode where oxidation takes place?ElectrochemistryElectrochemistrymedium
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Question 123
Which organic compound contains the functional group -OH?Organic chemistryOrganic chemistryeasy
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Question 124
How does increasing temperature generally affect the rate of a chemical reaction?Rates and equilibriumRates and equilibriummedium
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Question 125
At equilibrium, which of the following is true about the forward and reverse reaction rates?Rates and equilibriumRates and equilibriummedium
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Question 126
Which electron configuration represents the ground state of a nitrogen atom?Atomic structureAtomic structuremedium
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Question 127
Which principle explains the direction of spontaneous redox reactions in electrochemistry?ElectrochemistryElectrochemistryhard
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Question 128
What is the number of protons in the nucleus of an atom of oxygen-16?Atomic structureAtomic structureeasy
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Question 129
Calculate the number of moles in 88 grams of carbon dioxide (CO2). (Atomic masses: C=12, O=16)Mole conceptMole conceptmedium
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Question 130
Which of the following solutions will turn blue litmus paper red?Acids, bases, saltsAcids, bases, saltseasy
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