MCQOPTIONS
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MCQOPTIONS
This section includes 16 Mcqs, each offering curated multiple-choice questions to sharpen your Chemical Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What are the number of molecules of water in CuSO4•5H2O, if the weight of oxygen in it is 36 grams? |
| A. | 3.25 X 1023 |
| B. | 5.25 X 1023 |
| C. | 7.52 X 1023 |
| D. | 9.52 X 1023 |
| Answer» D. 9.52 X 1023 | |
| 2. |
What are the number of moles of hydrogen in NH4[Cr(SCN)4(NH3)2] if the weight of nitrogen in it is 49 grams? |
| A. | 3.5 |
| B. | 5 |
| C. | 7 |
| D. | 10 |
| Answer» C. 7 | |
| 3. |
What are the number of moles of nitrogen in 274 grams of (NH4)2Ce(NO3)6? |
| A. | 16 |
| B. | 8 |
| C. | 6 |
| D. | 4 |
| Answer» E. | |
| 4. |
What are the number of atoms of chlorine in 250.5 grams of Cl2O6? |
| A. | 1.806 X 1024 |
| B. | 2.408 X 1024 |
| C. | 9.033 X 1023 |
| D. | 6.022 X 1023 |
| Answer» B. 2.408 X 1024 | |
| 5. |
Which of the following has the same number of moles as in 398 grams of CuSO4? |
| A. | 2 grams of hydrogen |
| B. | 40 grams of oxygen |
| C. | 35 grams of nitrogen |
| D. | 58.5 grams of Sodium chloride |
| Answer» C. 35 grams of nitrogen | |
| 6. |
Calculate the number of moles in 369 grams of CaOCl2? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» D. 4 | |
| 7. |
Calculate the number of moles in 42 grams of NaHCO3? |
| A. | 0.5 |
| B. | 1 |
| C. | 1.5 |
| D. | 2 |
| Answer» B. 1 | |
| 8. |
WHAT_ARE_THE_NUMBER_OF_MOLECULES_OF_WATER_IN_CUSO4‚ÄÖ√Ñ√∂‚ÀÖ√ˬ¨¬¢5H2O,_IF_THE_WEIGHT_OF_OXYGEN_IN_IT_IS_36_GRAMS??$# |
| A. | 3.25 X 10<sup>23</sup> |
| B. | 5.25 X 10<sup>23</sup> |
| C. | 7.52 X 10<sup>23</sup> |
| D. | 9.52 X 10<sup>23</sup> |
| Answer» D. 9.52 X 10<sup>23</sup> | |
| 9. |
What are the number of moles of hydrogen in NH4[Cr(SCN)4(NH3)2] if the weight of nitrogen in it is 49 grams? |
| A. | 3.5 |
| B. | 5 |
| C. | 7 |
| D. | 10 |
| Answer» C. 7 | |
| 10. |
What are the number of moles of nitrogen in 274 grams of (NH4)2Ce(NO3)6? |
| A. | 16 |
| B. | 8 |
| C. | 6 |
| D. | 4 |
| Answer» E. | |
| 11. |
What are the number of moles of Hydrogen in 158 grams of Ammonium Bicarbonate? |
| A. | 5 |
| B. | 10 |
| C. | 15 |
| D. | 20 |
| Answer» C. 15 | |
| 12. |
What are the number of atoms of chlorine in 250.5 grams of Cl2O6? |
| A. | 1.806 X 10<sup>24</sup> |
| B. | 2.408 X 10<sup>24</sup> |
| C. | 9.033 X 10<sup>23</sup> |
| D. | 6.022 X 10<sup>23</sup> |
| Answer» B. 2.408 X 10<sup>24</sup> | |
| 13. |
Which of the following has the same number of moles as in 398 grams of CuSO4? |
| A. | 2 grams of hydrogen |
| B. | 40 grams of oxygen |
| C. | 35 grams of nitrogen |
| D. | 58.5 grams of Sodium chloride |
| Answer» C. 35 grams of nitrogen | |
| 14. |
Calculate the number of moles in 42 grams of NaHCO3? |
| A. | 0.5 |
| B. | 1 |
| C. | 1.5 |
| D. | 2 |
| Answer» B. 1 | |
| 15. |
How many atoms of carbon represent 1.5 mole? |
| A. | 6.022 X 10<sup>23</sup> |
| B. | 1.2044 X 10<sup>23</sup> |
| C. | 3.011 X 10<sup>23</sup> |
| D. | 9.033 X 10<sup>23</sup> |
| Answer» E. | |
| 16. |
How many grams of NaCl represent 1 mole? |
| A. | 23 |
| B. | 35.5 |
| C. | 58.5 |
| D. | 69.5 |
| Answer» D. 69.5 | |