10th Class Chemistry Guess Paper in Urdu Medium

• Important Short and Long Questions from Chemistry Urdu Medium.
• Provide a real life example of irreversible reaction?
• How does a catalyst influence a reversible reaction at equilibrium?
• Explain the difference between a reversible reaction and an irreversible reaction?
• What does the exponent (power) of a species in the Law of Mass Action expression represent?
• Does the Law of Mass Action apply to only gaseous reaction or does it work for reactions in other states as well? Explain.
• What factors can affect the accuracy of the Law of Mass Action in describing the behavior of a chemical reaction?
• Explain the significance of the units of the equilibrium constant (Kc) in a chemical reaction?
• Can the value of the equilibrium constant (Kc) change with changes in temperature? If yes how does temperature affect Kc?
• Define an acid in terms of its characteristics and behavior in chemical reactions?
• How do acids and bases differ in terms of their effect on the pH of a solution?
• Describe the reaction between an acid and a base including the products formed and the process involved?
• Provide an example of a household base and explain its typical use?
• Define the pH scale and its purpose in chemistry?
• Explain how the concentration of hydrogen ions (H+) in a solution is related to the pH value?
• Define a salt in chemistry and explain how salts are formed? 
• What is the general chemical formula for a salt? Provide an example of a salt and write its chemical formula?
• Describe the concept of polymerization and its significance in the formation of large organic molecules?
• How organic compound is related to Carbon?
• What is the difference between organic and inorganic compounds?
• What is the molecular formula of methane?
• What is the functional group in an alcohol molecule?
• What is the general formula for alkynes?
• What is the difference between saturated and unsaturated hydrocarbons?
• What is the difference between primary, secondary and tertiary alcohols?
• Explain the significance of organic compounds in the fuel industry. Name one major fuel derived from organic compounds and its usage?
• Elaborate on the role of organic compounds as food additives. Provide an example of a food   additive and its purpose in food preservation or enhancement?
• Describe the primary use of alkanes in the petrochemical industry and their role in the production of various essential products?
• Discuss the importance of alkanes as fuels and their role in powering vehicles and machinery?
• Discuss the environmental impact of using alkanes as fuels and explain the efforts made to develop alternative more sustainable energy sources?
• How do alkanes differ from other organic compounds and why are they considered the simplest hydrocarbons?
• How do alkanes undergo combustion reactions and why do they produce carbon dioxide and water as by products?
• How does the boiling point of alkanes change with increasing chain length and why does this trend occur?
• How do alkanes participate in substitution reactions and why are halogens commonly used as substituting agents?
• How does the process of cracking lead to the formation of smaller alkanes and why is it important in petroleum refining?
• Define alkanes and explain how they differ from alkanes in terms of their carbon-carbon bonding?
• What is the general formula of alkanes and how is it related to the number of carbon atoms in the molecule? 
• Explain the significance of vitamin K in blood clotting and bone health?
• How does the presence of water vapor in the atmosphere influence weather patterns and the occurrence of precipitation?
• How does the concentration of carbon dioxide in the atmosphere vary over time and how does it contribute to the phenomenon of climate change?