Mass Balance | MCQs

    Q1: The number of atoms of reactants is _____ equal to number of atoms of products in a balanced chemical equation.

    ری ایکٹنٹس کے ایٹموں کی تعداد متوازن کیمیائی مساوات میں مصنوعات کے ایٹموں کی تعداد کے برابر _____ ہے۔
    • A. Often
    • B. Always
    • C. Never
    • D. None of these

    Q2: Consider the following equation: 4Fe + 3O₂ → 2Fe₂O₃: The combined mass of the reactants is for example 320 grams. The mass of the product will be _____?

    • A. Greater than the reactant
    • B. Same as that of reactant
    • C. None of these
    • D. Less than the reactant
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