Differentiate between soap and detergent.

The concentration of hydrogen ion in any solution is 1 × 10^-4 gram mole/litre. Find out value of pH of this solution. Also state that this solution is acidic or basic.

Write name and uses of any two strong acids and two bases.

Write the definition of acid and base according to Arrhenius theory.

What is pH? Explain the pH range of acidic and basic solution.