4- The common ion effect is useful in : 1-Volumetric analysis
2-Potentiometric analysis
3-Conductiometric analysis
4-Gravimetric analysis
5. Which statement is incorrect for the pH of solution:
1-pH of neutral solution is equal to 7.
2-The pH of both acidic and basic solution is less than 7
3--The pH = -Log [H+]
4-The pH of basic solution is greater than 7
6. The law of mass action states that :
1- The rate of chemical reaction rate of chemical reaction is proportional to the temperature of reactants.
2-The rate of chemical reaction rate of chemical reaction is proportional to the temperature of Products.
3- The rate of
reversible chemical reaction is proportional to the molar concentration of the reacting substances.
4- All the above.
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