Class 9 Exam > Class 9 Questions > Statement A: Petrol, ether, acetone, water,CC...
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Statement A: Petrol, ether, acetone, water, CCl4 are volatile liquid
Statement B: Naphthalene, Camphor, iodine, NH4Cl undergo sublimation.
Which of the two statement is true
- a)Statement A
- b)Statement B
- c)Both the statement A and B
- d)Neither statement A or B.
Correct answer is option 'B'. Can you explain this answer?
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Verified Answer
Statement A: Petrol, ether, acetone, water,CCl4 are volatile liquidSta...
Naphthalene, camphor, iodine and ammonium chloride are sublime substance. So, statement B is correct. Petrol, ether, acetone and carbon tetrachloride are volatile liquid but water is not a volatile liquid.
Most Upvoted Answer
Statement A: Petrol, ether, acetone, water,CCl4 are volatile liquidSta...
Statement A: Petrol, ether, acetone, water, and CCl4 are volatile liquids.
Statement B: Naphthalene, camphor, iodine, and NH4Cl undergo sublimation.
Explanation:
Statement A: Petrol, ether, acetone, water, and CCl4 are volatile liquids.
- Volatility: Volatility refers to the ability of a substance to convert from a liquid state to a gaseous state at a relatively low temperature.
- Petrol: Petrol is a volatile liquid as it easily evaporates at room temperature.
- Ether: Ether is also a volatile liquid commonly used as a solvent and in laboratory procedures.
- Acetone: Acetone is a highly volatile liquid that evaporates easily, which is why it is commonly used as a solvent and in nail polish removers.
- Water: Water is not a volatile liquid. It requires a higher temperature (100°C) to convert into a gaseous state (water vapor) through the process of boiling.
- CCl4: Carbon tetrachloride (CCl4) is a volatile liquid that evaporates easily at room temperature.
Statement B: Naphthalene, camphor, iodine, and NH4Cl undergo sublimation.
- Sublimation: Sublimation is the process in which a solid directly converts into a gaseous state without passing through the liquid state.
- Naphthalene: Naphthalene is a white solid that undergoes sublimation at room temperature, which means it directly converts into a gas without melting.
- Camphor: Camphor is another example of a substance that undergoes sublimation. It is a white crystalline solid that vaporizes at room temperature.
- Iodine: Iodine is a purple-black solid that sublimes when heated, converting directly into a purple-colored vapor.
- NH4Cl: Ammonium chloride (NH4Cl) is a white solid that also undergoes sublimation at room temperature.
Conclusion:
The correct answer is option B - Statement B. Only Statement B is true as all the substances mentioned in Statement B (naphthalene, camphor, iodine, and NH4Cl) undergo sublimation. Statement A is not entirely true since water is not a volatile liquid, but rather requires boiling to convert into a gaseous state.
Statement B: Naphthalene, camphor, iodine, and NH4Cl undergo sublimation.
Explanation:
Statement A: Petrol, ether, acetone, water, and CCl4 are volatile liquids.
- Volatility: Volatility refers to the ability of a substance to convert from a liquid state to a gaseous state at a relatively low temperature.
- Petrol: Petrol is a volatile liquid as it easily evaporates at room temperature.
- Ether: Ether is also a volatile liquid commonly used as a solvent and in laboratory procedures.
- Acetone: Acetone is a highly volatile liquid that evaporates easily, which is why it is commonly used as a solvent and in nail polish removers.
- Water: Water is not a volatile liquid. It requires a higher temperature (100°C) to convert into a gaseous state (water vapor) through the process of boiling.
- CCl4: Carbon tetrachloride (CCl4) is a volatile liquid that evaporates easily at room temperature.
Statement B: Naphthalene, camphor, iodine, and NH4Cl undergo sublimation.
- Sublimation: Sublimation is the process in which a solid directly converts into a gaseous state without passing through the liquid state.
- Naphthalene: Naphthalene is a white solid that undergoes sublimation at room temperature, which means it directly converts into a gas without melting.
- Camphor: Camphor is another example of a substance that undergoes sublimation. It is a white crystalline solid that vaporizes at room temperature.
- Iodine: Iodine is a purple-black solid that sublimes when heated, converting directly into a purple-colored vapor.
- NH4Cl: Ammonium chloride (NH4Cl) is a white solid that also undergoes sublimation at room temperature.
Conclusion:
The correct answer is option B - Statement B. Only Statement B is true as all the substances mentioned in Statement B (naphthalene, camphor, iodine, and NH4Cl) undergo sublimation. Statement A is not entirely true since water is not a volatile liquid, but rather requires boiling to convert into a gaseous state.
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Statement A: Petrol, ether, acetone, water,CCl4 are volatile liquidStatement B: Naphthalene, Camphor, iodine,NH4Cl undergo sublimation.Which of the two statement is truea)Statement Ab)Statement Bc)Both the statement A and Bd)Neither statement A or B.Correct answer is option 'B'. Can you explain this answer?
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