MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject 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. | t3.25 X 10<sup>23</sup> |
| B. | t5.25 X 10<sup>23</sup> |
| C. | t7.52 X 10<sup>23</sup> |
| D. | t9.52 X 10<sup>23</sup> |
| Answer» D. t9.52 X 10<sup>23</sup> | |
| 2. |
Calculate the number of moles in 369 grams of CaOCl2? |
| A. | t1 |
| B. | t2 |
| C. | t3 |
| D. | t4 |
| Answer» D. t4 | |