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NECTA ChemistryTanzania

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Question 81

How many molecules are present in 2 moles of water (H2O)?
Mole conceptMole concepteasy

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Question 82

What is the pH of a neutral solution at 25°C?
Acids, bases, saltsAcids, bases and saltseasy

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Question 83

In an electrochemical cell, electrons flow from the ____ to the ____.
ElectrochemistryElectrochemistrymedium

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Question 84

Which functional group characterizes alcohols in organic chemistry?
Organic chemistryOrganic chemistrymedium

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Question 85

Which type of bond is primarily responsible for the structure of diamond?
Chemical bondingChemical bondinghard

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Question 86

In an electrochemical cell, the electrode at which reduction occurs is called the:
ElectrochemistryElectrochemistrymedium

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Question 87

Which of the following types of chemical bonds involves the sharing of electron pairs between atoms?
Chemical bondingChemical bondingeasy

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Question 88

How many moles are present in 22 grams of carbon dioxide (CO2)? (C=12, O=16)
Mole conceptMole concepteasy

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Question 89

Which of the following is a characteristic property of acids?
Acids, bases, saltsAcids, bases, saltseasy

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Question 90

Which of the following functional groups is characteristic of alcohols?
Organic chemistryOrganic chemistrymedium

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