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Q.15. Which of the following chemical reactions represents an acid-base reaction? a) HBr + NaOH → NaBr + H2O
b) 2NaCl + F2 2NaF + Cl2
c) Zn + CuSO4 → ZnSO4 + Cu
d) C10H8 + 12O2 → 10CO2 + 4H2O
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Drive down any three characteristic of modern periodic table
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Voltaic cells produce a positive overall charge. what does this indicate? a. the reaction is likely to be endothermic. b. the reaction is spontaneous. c. the reaction is not likely to occur. d. the reaction is not spontaneous.
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If oil spills continue, all of the following should be expected except (2 points) death of aquatic life. polluted groundwater. decreased soil productivity. increased global temperatures.
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Q.15. Which of the following chemical reactions represents an acid-base reaction? a) HBr + NaOH → Na...
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