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Q. No.Which of the following statements about a compound is incorrect?
| 1. | A molecule of a compound has atoms of different elements. |
| 2. | A compound cannot be separated into its constituent elements by the physical method of separation. |
| 3. | A compound retains the physical properties of its constituent elements. |
| 4. | The ratio of atoms of different elements in a compound is fixed. |
Subtopic: Â Millimole/Equivalent Concept |
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Enzymes convert glucose (M = 180.2) to ethanol (M = 46.1) according to the given equation:
\(\mathrm {C_6H_{12}O_6\rightarrow 2C_2H_5OH\ +\ 2CO_2}\)
What is the maximum mass of ethanol that can be made from 15.5 kg of glucose?
\(\mathrm {C_6H_{12}O_6\rightarrow 2C_2H_5OH\ +\ 2CO_2}\)
What is the maximum mass of ethanol that can be made from 15.5 kg of glucose?
| 1. | 0.256 kg | 2. | 0.512 kg |
| 3. | 3.96 kg | 4. | 7.93 kg |
Subtopic: Â Equation Based Problem |Â Millimole/Equivalent Concept |
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