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Identify giving reason whether the following compound is aromatic or not.
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Identify giving reason whether the following compound is aromatic or not.
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Name two reagents used for acylation of benzene.
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Read the following reaction and answer the questions given below:
- Write the name of the reaction.
- Identify the electrophile in it.
- How is this electrophile generated?
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Give two differences between the Soap and synthetic detergent.
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Explain the Mechanism of cleansing action of soap with flow chart.
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Write a chemical equation for saponification.
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Hot air balloons float in the air because of the low density of the air inside the balloon. Explain this with the help of an appropriate gas law.
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Identify the gas laws from the following diagram.
| Diagram | Gas laws |
 |
______________ |
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Identify the gas laws from the following diagram.
| Diagram | Gas laws |
 |
______________ |
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Identify the gas laws from the following diagram.
| Diagram | Gas laws |
 |
______________ |
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Consider a sample of a gas in a cylinder with a movable piston.
Show diagrammatically the changes in the position of the piston, if pressure is increased from 1.0 bar to 2.0 bar at a constant temperature.
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Consider a sample of a gas in a cylinder with a movable piston.
Show diagrammatically the changes in the position of the piston, if the temperature is decreased from 300 K to 150 K at constant pressure.
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Consider a sample of a gas in a cylinder with a movable piston.
Show diagrammatically the changes in the position of the piston, if the temperature is decreased from 400 K to 300 K, and pressure is decreased from 4 bar to 3 bar.
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Match the pairs of the following:
| Column ‘A’ | Column ‘B’ |
| a. Boyle’s law | i. at constant pressure and volume |
| b. Charles’ law | ii. at constant temperature |
| iii. at constant pressure |
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Write the statement for Boyle’s law
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Write the statement for Charles’ law
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With the help of the graph answer the following -
At constant temperature, the Graph shows the relationship between pressure and volume. Represent the relation mathematically.
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With the help of the graph answer the following -
At constant temperature, Write the statement of law.
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With the help of the graph answer the following -
At constant temperature, Identify the law.
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