When hydrochloric acid is added to silver chloride solution:

1. No reaction takes place.
2. A white precipitate is formed.
3. A white solution is obtained.
4. A reddish brown precipitate is formed.

Elements X, Y and Z have atomic numbers 6, 9 and 12 respectively. Which of them will form a cation :

1. Z
2. Y
3. X
4. Depends on the reactivity of the elements.

The number of atoms in a chloride ion is:

1. One
2. Two
3. Three
4. Four

The acidic radical in Sulphurous acid is:

1. H⁺
2. SO₃^-1
3. SO₄^-3
4. SO₃^-2