Class 10th Chemistry Chapter 2


Total Marks: 19

1. As to the Arrhenius theory, an acid is a
Proton donating specie Proton accepting specie Hydroxyl donating specie Lone pair donating specie
2. In Arrhenius\'s theory, a base is a
Proton donating specie Proton accepting specie Hydroxyl donating specie Lone pair donating specie
3. In line with the Bronsted-Lowery theory, an acid is a
Proton donating specie Proton accepting specie Hydroxyl donating specie Lone pair accepting specie
4. A base, in the Bronsted-Lowery theory, is a
Proton donating specie Proton accepting specie Lone pair donating specie Lone pair accepting specie
5. In accordance with Lewis\'s Law, an acid is a
Proton donating specie Proton accepting specie Lone pair donating specie Lone pair accepting specie
6. In Lewis\'s idea, a base is a
Proton donating specie Proton accepting specie Lone pair donating specie Lone pair accepting specie
7. Salt arises from the substitution of
Hydrogen atom in acid Hydroxyl ion in base Both a and b None of them
8. Salt is created when an acid\'s hydrogen atom is replaced with a
Metal atom Non-metal atom Both and b None of them
9. Solutions composed of salt
Acidic Basic Neutral None of them
10. Salts are created when two substances react
Acid and base Acid and metal oxide Acid and metal atom All of the above
11. Reaction of an acid and metal carbonate will lead to the formation of
Salt Acid Base Salt and CO2
12. The result of the reaction between salt and salt is the creation of
Salts Acids Hydrogen gas All of the above
13. Acid and metal atom interaction results in the production of
Salt Salt and CO2 Salt and hydrogen gas None of them
14. Salts are employed in
Manufacturing explosives Preserving food Manufacturing paper All of the above
15. HCl is employed in
Manufacturing soap Manufacturing of antacid Manufacturing of plaster Pickling
16. NaOH is employed in
Manufacturing of soap Manufacturing of antacid Manufacturing of explosives All of the above
17. Arrhenius first put forward his theory in
1880 1885 1887 1889
18. Bronsted and Lowery put up the Bronsted-Lowery idea in
1920 1921 1923 1930
19. At 25 oC, [H+] and [OH-] concentrations are
[H+] > [OH-] [H+] < [OH-] [H+] = [OH-] None of them