Strength of Acids and Bases

What is full form of pH?

A student placed $10 \mathrm{ml}$ $\mathrm{HCl}$ and $\mathrm{NaOH}$ in two seperate beakers as shown.

In beaker $1,4 \mathrm{mL}$ of NaOH is added whereas in beaker $2,4 \mathrm{mL} \mathrm{of} \mathrm{HCl}$ is added. The student notes the possible changes in $\mathrm{pH}$ in both solutions.

Which change in pH is correct ?

What is hydrogen ion concentration of the solution when its $\mathrm{pH}$ is $2$?

The acid produced naturally in our stomach is: 

Which acid enters into our body by a honey bee stung?

Two solutions A and B when tested with universal indicator shows their pH values are $2$ and $10$ respectively. What are A and B?

What happens when: Teeth are not cleaned after eating food at night. 

What is pH? Describe the pH range of acidic and alkaline solutions.

In $\mathrm{pH}$, what P and H indicates? 

Which acid is found in the sting of a red ant? 

$\mathrm{pH}$ is the negative logarithm of which ions? 

Calculate the ${\mathrm{H}}^{+}$ ion concentration of a solution having a pH of $3$.

pH of blood varies between 7.2 to 7.4.

The acidic and basic strength of solution is based on _______________ ion concentration.

The first commercial pH meter was designed by Lavoisier.

pH is the negative logarithm of the _____ ion concentration.

What would you expect the pH of pure water to be? ($4 / 7 /8$)

Which acid is produced in our stomach?