Chemistry II - For Class X (Science) - Guess Papers 2024 - BY Sir Sajjad Akber Chandio

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Class X (Science Group)
Chemistry II
Guess Paper 2024

By Sir Sajjad Akber Chandio
Q.1: Define of following terms?

1. Homologous series
2. Functional Group
3. Alkanes
4. Alkenes
5. Alkynes
6. Isomerism
7. Aliphatic Hydrocarbon
8. Alicyclic Compound
9. pH with example

Q.2: Write down difference between the followings?

1. Fat and Oil
2. Reversible and Irreversible
3. Troposphere and Stratosphere
4. Temporary vs Permanent hardness of Water
5. Classical and Instrument Method
6. Qualitative and quantitative analysis
7. Soft and Hard water

Q.3: Write down uses any one of followings?

1. Organic Compound
2. Carbohydrates
3. Protein

Q.4: State the Acid/Base theories of the followings?

1. Arrhenius
2. Bronsted
3. Lewis

Q.5: Define any one of following with its types?

1. Salt
2. Vitamin
3. Nucleic

Q.6: Derive the equation Equilibrium Constant
Q.7: Define ozone and Write down Effects of Ozone Depletion?
Q.8: Describe water ionization
Q.9: Describe fractional Distillation of Petroleum with the help of diagram?
Q.10: Write down Properties of Acid and Base?
Q.11: Describe the some of organic Compound and also their characters?
Q.12: Define Pollutant and list down its types?
Q.13: A reaction takes place between iron ion and chloride as:

Fe⁺³ + 4Cl^- ⇄ FeCl^4-

at Equilibrium the concentrations are measured to be (Fe⁺³) is 0.2 mol dm^-3, Cl^- is 0.28 mol.dm^-3 and FeCl₄^- mol.dm^-3 .Calculate equilibrium constant K_c for given reaction.
Q.14: A salt HCl has pH of 2.3. Calculate pOH.
Q.15: Define water pollutant and describe its effect on our life?
Q.16: Explain Borne Diseases?
Q.17: Define Conductometry and write down its application?
Q.18: Explain Gas Chromatography with the help of diagram?
Q.19: Define Saponification and describe the soap preparation with the help of flow sheet diagram?
Q.20: Explain the process preparation of sugar cane?
Q.21: What are the causes of acid rain?
Q.22: Describe beneficial impact of Pharmaceutical industry on human society
Q.23: Define Vitamin and complete the following chart?

Name	Sources	Deficiency
Vitamin A
Vitamin C
Vitamin D

Q.24: Define Functional Group and identify the functional groups in the following compounds.

• CH₃–CHO
• CH₃–CH₂–OH
• C₃H₇–COOH