–(Long Questions)–[Open]

–(Test Yourself / Conceptual Questions)–[Open]

–(Exercise: MCQ’s+Short Q+Long Q)–[Open]

–(Extra: MCQ’s)–[Open]

PAST PAPERS SHORT QUESTIONS

LAHORE & GUJRANWALA BOARD

1. Explain double covalent bond with the help of an example. LHR 2014
2. How do atoms follow octet rule?                                     LHR 2014
3. Explain polar covalent bond with an example. LHR 2014
4. Why noble gases are not reactive? LHR 2014
5. Why does sodium make ionic bond with chlorine? LHR 2014
6. Define polar covalent bond and give and example. LHR 2014
7. Which type of covalent bond is formed in N₂ gas? LHR 2014
8. Define non-polar covalent bond and give an example. GRW 2014
9. Why HF is a weak acid?               GRW 2014
10. What is meant by triple covalent bond? Explain it with an example. GRW 2014
11. Why chlorine can accept only 1 electron? GRW 2014
12. Explain non-polar covalent bond with an example. GRW 2014
13. What is meant by Lone Pair and Bond Pair of electron in molecule? LHR 2015
14. Why a Covalent bond becomes polar? LHR 2015
15. Write two properties of covalent compounds. LHR 2016
16. Ionic compounds are solid. Explain. LHR 2016
17. Define non-polar covalent bond and give one example. LHR 2016
18. Define hydrogen bonding and give one example. LHR 2016
19. Briefly describe the ionic bond. LHR 2016
20. Differentiate between polar and non-polar convalent bond. LHR 2016
21. Why does ice float on water? LHR 2016
22. Write two properties of covalent compounds. LHR 2016
23. Why are noble gases non-reactive? GRW 2016
24. Define metallic bond. GRW 2016
25. Write down any two properties of metals. GRW 2016
26. Why does ice float on water? GRW 2016
27. Which type of covalent bond is formed in nitrogen gas? GRW 2016
28. Define metallic bond. GRW 2016
29. Define double covalent bond and triple covalent bond. GRW 2016
30. Dedifferentiate between “lone pair” and “bond pair” of electrons. GRW 2016

9th Class Notes Links:

• Physics Notes – Full Book PDF
• Mathematics Notes – Full Book PDF
• Biology Notes – Full Book PDF
• Chemistry Notes – Full Book PDF
• Computer Science Notes – Full Book PDF
• Islamiat Studies Notes – Full Book PDF
• Pakistan Studies Notes – Full Book PDF
• Urdu Notes – Full Book PDF
• Pairing Scheme – All Subjects – (2019 to Onward)