Alkali

Q. The pH of the alkaline solution is __________.

1. \N
2. \N
3. True
4. False

Q. What do you understand by an alkali?

Q.

All the X are Y but all Y are not X. What are X and Y?

1. X-Acids, Y-Alkalis

2. X-Alkalis, Y-Bases

3. X-Oxides, Y-Acids

4. X-Bases, Y-Alkalis

Q.

Which of the following is a neutralisation reaction?

1. KOH(aq) + HNO(aq) $\to$ KNO(aq) + $H_{2}O$(l)

2. NaOH(aq) + HCl(aq) $\to$ NaCl(aq) + $H_{2}O$(l)

3. NaOH(aq) + $H_{2}O$(l) $\to$ $N{a}_{2}O\left(s\right)$ + $O_2$(g)

4. KOH(aq) + NaCl(s) $\to$ KCl(s) + NaOH(aq)

Q. $\text{NaOH(aq)}+\text{HCl(aq)}\to$ + ${\text{H}}_2\text{O(l)}$
This is an example of a reaction.

1. $\text{NaCl}$(aq)
2. combination
3. neutralisation
4. $\text{NaH}$(s)