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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAssertion (A): | The temperature of a gas does not change, when it undergoes an adiabatic expansion. |
Reason (R): | During an adiabatic process, the container should be a perfect conductor. |
1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
3. | (A) is true but (R) is false. |
4. | Both (A) and (R) are false. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPrefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPrefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAssertion (A): | Combustion is an exothermic process. |
Reason (R): | Combustion is a spontaneous process. |
1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
3. | (A) is true but (R) is false. |
4. | Both (A) and (R) are false. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAssertion (A): | Combustion of all organic compounds is an exothermic reaction. |
Reason (R): | The enthalpies of all elements in their standard state are zero. |
1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
3. | (A) is True but (R) is False. |
4. | (A) is False but (R) is True. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyStatement I: | The standard enthalpy change for the formation of one mole of a compound from its elements in their most stable states (reference states) is called standard molar enthalpy of formation. |
Statement II: | For, CaO(s)+ CO2 (g) → CaCO3(s) ; ∆fH⊝ = -178.3 kJmol-1 , the ∆rH⊝ is equal to the ∆fH⊝ . |
1. Both statements I and II are true.
2. Statement I is true and statement II is false.
3. Both statements I and II are false.
4. Statement I is false, statement II is true.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology