XI Chemistry Stoichiometry Online Test Mdcat-2024

XI Chemistry Stoichiometry Online Test Mdcat

Instructions for Chapter Stoichiometry Online Test Mdcat-2024:

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    Test Details:

      • Subject: Chemistry
      • Class: 1st year or 11
      • Chapter name: Stoichiometry
      • Test: MDCAT 2024
      • Book: Sindh Textbook
      • Total No. Of MCQS: 50
      • Time Allowed: 50 Minutes
      • Price : Free
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      XI Chemistry Stoichiometry Online Test Mdcat-2024



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      1 / 50

      1. The branch of Science, Which deals with the properties, composition, and structure of matter and also deals with change in matter and principles with govern these changes is called _________.

      2 / 50

      2. Atomic weight, formula and molecular weight in gram are called__.

      3 / 50

      3. At S.T.P one mole of a substance occupies volume is 22.4 dm3. It is called ________.

      4 / 50

      4. The Sum of atomic masses of element in a molecule is called _______.

      5 / 50

      5. Stoichiometric calculations of a reaction give us yield called

      6 / 50

      6. The reactant that is consumed earlier & give least quantity of the product is called

      7 / 50

      7. The amount of product obtained or calculated from balanced chemical equation is

      called:

      8 / 50

      8. 8.46gm of Na metal contains

      9 / 50

      9. The volume occupied by 1.4gm of N₂ at S.T.P is

      10 / 50

      10.

      1. 3.01 x 10²³molecules of H₂O will weight

      11 / 50

      11. The number of molecules in 28 grams of Nitrogen are:

      12 / 50

      12. At STP, 22.4 dm3 of CO2 ____________ 22.4 dm3  of SO2:

      13 / 50

      13. The number of moles present 100 grams of water are:

      14 / 50

      14. Molecular weight is used for the substances which are:

      15 / 50

      15. The number of particles present in one mole are:

      16 / 50

      16. Atomic weight is the average weight of atoms of an element as compared to the weight

      of one atom of carbon taken as:

      17 / 50

      17. 58.5 amu of NaCl is:

      18 / 50

      18. 18.0 amu of water is:

      19 / 50

      19. Very small and very large quantities are expressed in terms of:

      20 / 50

      20. Number of molecules in two moles of water are:

      21 / 50

      21. A reaction is known to have a percent yield of 80%. It the actual yield is 25 grams, what was the expected yield?

      22 / 50

      22. 12.044 x 10²³ atoms of oxygen contains ___________

      23 / 50

      23. The mass of 0.3 moles of ammonia is

      24 / 50

      24. The volume occupied by 1.5 mole of glucose will be

      25 / 50

      25. The amount of carbon dioxide produced by the combustion of 40g of methane is.

      CH₄ +2O₂→CO₂+2H₂O

      26 / 50

      26. The number 75.66852 rounded off to 5 significant digits is

      27 / 50

      27. When 4 moles of propane react with 6 moles of oxygen, the mass of CO2 produced will be

      C₃H₈ + 5O₂ →3CO₂ + 4H₂O

      28 / 50

      28. Which of the following does not represent a chemical change?

      29 / 50

      29. Which of the following is incorrect for a chemical reaction?

      30 / 50

      30. The most abundant element in the universe is

      31 / 50

      31. The formula weight of the compound, Al₂ (SO₄)₃.18H₂O is:

      32 / 50

      32. How many moles of alanine, C₃H₇NO₂, are there in 159 g of alanine?

      33 / 50

      33. How many atoms are in one mole of methanol (CH₃OH)?

      34 / 50

      34. The mass in grams of 3.01 x 10²³ calcium atom is:

      35 / 50

      35. Which one of the samples contains the large number of atoms?

      36 / 50

      36. The percent by mass of nitrogen in given fertilizer is HNC (NH₂)₂

      37 / 50

      37. The amount of water produced when 8g of hydrogen is reacted with 32g of oxygen is

      2H₂+O₂ 2H₂O

      38 / 50

      38. What volume of hydrogen at RTP would be liberated, when 8 gm of calcium reacts with excess water?

      Ca + 2H₂O Ca(OH)₂ + H₂

      39 / 50

      39. The number of molecules in 2.5 moles of H2O?

      40 / 50

      40. A necklace has 12 g of diamond in it. What are the number of atoms in it?

      41 / 50

      41. The branch of Chemistry which deals with the calculations based on balanced chemical

      equations is called

      42 / 50

      42. If one mole of each of the following substance is burnt in oxygen completely, which will give the largest volume of CO₂?

      43 / 50

      43. The Avogadro's constant is the number of?

      44 / 50

      44. A limiting reactant is that which

      45 / 50

      45. Which among the following is the heaviest?

      46 / 50

      46. Theoretical yield is always less than the actual yield because:

      47 / 50

      47. Stoichiometry is ………………. analysis of the calculations during a chemical reaction.

      48 / 50

      48. If the reaction of 6.5 grams of C₆H₁₂O₆ produces 2.5 grams of CO₂, what is the percent yield of CO2?

      C₆H₁₂O₆-------> 2C₂H₅OH + 2CO₂

      49 / 50

      49. After a reaction was run, there were 12.7 grams of reagent B left over. Reagent B is the

      50 / 50

      50. Percent yield is found by

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