Which substance is reduced in this redox equation? HF + Cl2 → F2 + HCl
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Which of these substances is a base?
Which of these substances is a base?
Which of these are properties of bases? I. They are sour…
Which of these are properties of bases? I. They are sour in taste. II. They turn red litmus paper blue. III. They dissolve many metals. IV. They feel slippery.
Which of these substances is an acid?
Which of these substances is an acid?
Which of these factors does not affect the melting point of…
Which of these factors does not affect the melting point of a substance?
Which of these are oxidation-reduction reactions? I. 3H2…
Which of these are oxidation-reduction reactions? I. 3H2 + N2 → 2NH3 II. Cu2O + C → 2Cu + CO III. Fe2O3 + 3CO → 2Fe + CO2 IV. 2K + Br2 → 2KBr
Which of these statements about liquids is/are correct? I…
Which of these statements about liquids is/are correct? I. Increased molecular motion results in increased rate of evaporation. II. Liquids take the shape of their container. III. Liquids have relatively low compressibility compared to gases.
Which substance is reduced in this redox equation? HF + Cl…
Which substance is reduced in this redox equation? HF + Cl2 → F2 + HCl
During oxidation-reduction reactions, the substance that los…
During oxidation-reduction reactions, the substance that loses electrons is _____and the substance that gains electrons is _____.
Which of these are oxidation-reduction reactions? I. 3H2…
Which of these are oxidation-reduction reactions? I. 3H2 + N2 → 2NH3 II. Cu2O + C → 2Cu + CO III. Fe2O3 + 3CO → 2Fe + CO2 IV. 2K + Br2 → 2KBr