Reaction of Acids and Bases with Metals

Q. Thin strips of magnesium, copper and iron are taken.
$\left(a\right)$ Write down what happens when these metals are treated as follows
$\left(iii\right)$ Added to an aqueous solution of Zinc sulphate

Q. Aluminium + sodium hydroxide + water = sodium meta aluminate + hydrogen

Q.

When NaOH reacts with Aluminium metal, following reaction occurs:

$NaOH+Al\to Na\left[Al\right(OH{)}_4]+Y$

If Y is a gas, identify it.

1. $H_2$

2. $H_{2}O$

3. $C{H}_4$

4. $N{O}_2$

Q. When calcium reacts with dilute hydrochloric acid it results in the formation of a salt X and a gas Y. Identify X and Y from the options given below.

1. $X:Ca(OH{)}_2;Y:C{l}_2$
   
2. $X:CaC{l}_2;Y:H_2$
   
3. $X:Ca(OH{)}_2;Y:H_2$
   

Q. Complete the following reactions:
(a) $Metal+dil.Acid\to Salt+$
(b) $Metalhydrogencarbonate+dil.Acid\to Salt+$$+Water$

1. Hydrogen
2. Carbon dioxide
3. Nitrogen
4. Oxygen

Q. Classify the acids according to their basicity and give one example of each type.

Q. What is the resulting gas that is formed when zinc reacts with diluted hydrochloric acid?

1. Hydrogen
2. Sulphur dioxide
3. Chlorine
4. Ammonia

Q. Classify the acids according to their basicity and give one example of each type.