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Chapter-1 - 11th - Basic Concepts Preparation Multiple Questions and Answers.
| 36. | Which one of the following substances is used as CO2 absorber in combustion analysis: | ||
| A. | Mg (ClO4)2 | ||
| B. | 50% KOH | ||
| C. | Lime water | ||
| D. | Dilute NaOH | ||
| 37. | Which one of the following properties is always in whole number: | ||
| A. | Atomic mass | ||
| B. | Atomic radius | ||
| C. | Atomic volume | ||
| D. | Atomic number | ||
| 38. | What is the mass of one mole of Iodine: | ||
| A. | 53 g | ||
| B. | 74 g | ||
| C. | 127 g | ||
| D. | 254 g | ||
| 39. | 0.5 moles of H2SO4 contains “X” moles of oxygen atoms “X” is: | ||
| A. | 0.5 | ||
| B. | 1 | ||
| C. | 2 | ||
| D. | 4 | ||
| 40. | What will weigh more: | ||
| A. | 2 mole N2 | ||
| B. | 1 mole O3 | ||
| C. | 2 mole O2 | ||
| D. | 2 mole CO2 | ||
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