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NECTA ChemistryTanzania

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Question 231

Which statement about chemical equilibrium is true?
Rates and equilibriumChemical Equilibriummedium

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Question 232

Which of the following represents a coordinate covalent bond?
Chemical bondingChemical Bondinghard

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Question 233

In organic chemistry, what is the product of the complete combustion of a hydrocarbon?
Organic chemistryHydrocarbon Combustioneasy

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Question 234

How many moles are present in 88 grams of CO2? (Atomic masses: C=12, O=16)
Mole conceptMole Concepteasy

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Question 235

Which electrode in an electrochemical cell is the site of oxidation?
ElectrochemistryElectrochemistrymedium

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Question 236

Which functional group defines an alcohol?
Organic chemistryOrganic Chemistryeasy

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Question 237

In a covalent bond between two atoms with different electronegativities, what type of bond is formed?
Chemical bondingChemical Bondinghard

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Question 238

Which salt results from the neutralization of hydrochloric acid (HCl) with sodium hydroxide (NaOH)?
Acids, bases, saltsAcids, Bases, Saltsmedium

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Question 239

At equilibrium, what happens to the concentrations of reactants and products in a closed system?
Rates and equilibriumRates and Equilibriumhard

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Question 240

In a reversible reaction at equilibrium, what happens if the concentration of products is increased?
Rates and equilibriumRates and equilibriumhard

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