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Mdcat-past-papers - SZABMU - Chemistry Quiz

Filters: Board: SZABMU | Subject: Chemistry |
1. Percentage composition by mass in CO2 is:



2. Al reacts with O₂ according to: 4Al + 3O₂ → 2Al₂O₃ 27g of Al will react with how much O₂?



3. One mole of a substance is the amount of that has the same number of particles as there are atoms in exactly:



4. Number of H₂O molecules in 10g of ice are:



5. The efficiency of a chemical reaction can be expressed as:



6. 1 mol of any substance contains -------- particles:



7. N₂(g) + 3H₂(g) → 2NH₃(g) How many moles of N₂ are required to manufacture 8 moles of NH₃?



8. 1g of H₂ has:



9. According to Charles law volume of gas reduces to zero at:



10. When the pressure of a gas is plotted against volume at constant temperature, the curve obtained is known as:



11. Which variable mentioned in ideal gas is assumed to be a constant in other gas laws?



12. One calorie is equal to:



13. One Calorie is equivalent to:



14. The SI Unit of R in General Gas equation is:



15. Collision shown by gases involve the following:



16. Equation PV = 1/3 mNc² is called:



17. The real gases show deviation from ideal behaviour at:



18. When 2 ice cubes are pressed over each other they unit to form one cube due to:



19. Air is a mixture of gases. The molecules of air do not settle down due to:



20. Intermolecular forces between molecules of ideal gas are: