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NECTA ChemistryTanzania

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Question 51

In electrochemical cells, the electrode where oxidation occurs is called the:
ElectrochemistryElectrochemistrymedium

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Question 52

Which of these compounds is an example of an alkane?
Organic chemistryOrganic Chemistrymedium

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Question 53

In the equilibrium reaction N2 + 3H2 ⇌ 2NH3, what happens if the concentration of H2 is increased?
Rates and equilibriumChemical Equilibriumhard

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Question 54

Which of the following statements about ionic compounds is true?
Chemical bondingChemical Bondingmedium

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Question 55

How many moles of atoms are present in 12g of carbon-12?
Mole conceptMole Concepteasy

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Question 56

In an electrochemical cell, electrons flow from the:
ElectrochemistryElectrochemistrymedium

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Question 57

At equilibrium, which of the following is true?
Rates and equilibriumChemical Equilibriummedium

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Question 58

What is the charge of an electron in an atom?
Atomic structureAtomic Structure and Subatomic Particleseasy

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Question 59

How many moles are present in 44g of CO2? (Atomic masses: C=12, O=16)
Mole conceptMole Concept and Calculationseasy

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Question 60

Which of the following substances is a base?
Acids, bases, saltsAcids, Bases and Saltseasy

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