1. What is the symbol of Gold?

2. Which element is the most electronegative element?

3. What is the valency of the Magnesium?

4. How many Periods in the modern Periodic Table?

5. Which one of the following has the largest size?

6. Name the element which has complete outermost shell.

7. Elements in the same column have-

8. Number of protons in the atom is equal to-

9. In general non-metals are ………………… electronegative than metals

10. The most distinctive property of the noble gases is that they are:

11. Down the group, electron affinity …………….

12. Moving across a ………………. Of the periodic table, the elements show increasing ……………. Character.

13. The properties of elements are periodic functions of their ……………

14. Which of the following is a common characteristic of a covalent compound?

15.  A compound X consists of only molecules Hence X will have:

16. The capacity of an atom to attract the shared pair of electrons towards itself is called

17. Which of the following doesn't represent oxidation?

18. The number of electrons lost or gained by an atom refers to:

19. Sodium and sodium ions :

20. A compound which contains all the three types of bonds i.e., ionic, covalent and coordinate is:

21. Which of these is not an application of electrolysis?

22. Which of the following substance is not a good conductor of electricity?

23. When fused PbBr2 is electrolysed ……………

24. Anode is electrically ………………

25. Which metal is used in electroplating cans to store food?

26. The purple colour of Cabbage ……………. When it is dipped in an acid.

27. Vinegar is a dilute solution of ____ acid.

28. Zn, Al and Sn when boiled with alkali liberate ____.

29. H₂SO₄ , HCl and HNO₃  are generally known as ____ acids.

30. The compound formed when sodium hydroxide reacts with zinc is ____.

31. Which of the following indicators is not an acid-base indicator?

32. When acids react with metals, the hydrogen gas liberated is tested by ____.

33. Alkali metal oxides are ____ in nature.

34. Which of the following is different from others?

35. The common element present in all acids is ____.

36. The nature of an antacid is ____.

37. ____ acid is present in curd.

38. ………… and …………. Salt dissolve in Sodium hydroxide.

39. Which white precipitate is soluble in excess NH4OH

40. Both Ammonium and Sodium hydroxide are used in analytical chemistry for identifying ……….. of salts.