Class 9 Exam > Class 9 Questions > Which of the two statement is trueStatement A...
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Which of the two statement is true
Statement A : Petrol, ether, acetone, water, CCl4 are volatile liquid
Statement B : Naphthalene, Camphor, iodine, NH4Cl undergo sublimation.
- a)Statement B
- b)Both the statement A and B
- c)Statement A
- d)Neither statement A or B.
Correct answer is option 'B'. Can you explain this answer?
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Verified Answer
Which of the two statement is trueStatement A : Petrol, ether, acetone...
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
Which of the two statement is trueStatement A : Petrol, ether, acetone...
Statement A: Petrol, ether, acetone, water, CCl4 are volatile liquids.
Statement B: Naphthalene, camphor, iodine, NH4Cl undergo sublimation.
Explanation:
Statement A: Volatile liquids are substances that have a low boiling point and readily evaporate at room temperature. The given substances, petrol, ether, acetone, water, and CCl4, all fall under this category. They have low boiling points and can easily change from a liquid state to a gaseous state. Therefore, Statement A is true.
Statement B: Sublimation is the process in which a solid directly changes into a gaseous state without passing through the liquid state. The given substances, naphthalene, camphor, iodine, and NH4Cl, all exhibit sublimation. When heated, they directly convert from a solid state to a gaseous state without melting into a liquid. Therefore, Statement B is true.
Conclusion: Both Statement A and Statement B are true.
Statement B: Naphthalene, camphor, iodine, NH4Cl undergo sublimation.
Explanation:
Statement A: Volatile liquids are substances that have a low boiling point and readily evaporate at room temperature. The given substances, petrol, ether, acetone, water, and CCl4, all fall under this category. They have low boiling points and can easily change from a liquid state to a gaseous state. Therefore, Statement A is true.
Statement B: Sublimation is the process in which a solid directly changes into a gaseous state without passing through the liquid state. The given substances, naphthalene, camphor, iodine, and NH4Cl, all exhibit sublimation. When heated, they directly convert from a solid state to a gaseous state without melting into a liquid. Therefore, Statement B is true.
Conclusion: Both Statement A and Statement B are true.
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Which of the two statement is trueStatement A : Petrol, ether, acetone, water,CCl4 are volatile liquidStatement B : Naphthalene, Camphor, iodine,NH4Cl undergo sublimation.a)Statement Bb)Both the statement A and Bc)Statement Ad)Neither statement A or B.Correct answer is option 'B'. Can you explain this answer?
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