During the complete combustion of one mole of butane, 2658 kJ of heat is released. The thermochemical reaction for this change is:
1. | |
2. | |
3. | |
4. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biologyof formation of at certain temperature is . The value of is-
1. Zero
2.
3.
4. Equal to
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyBased on the reactions, ascertain the valid algebraic relationship:
1. | x = y | 2. | x = 2y |
3. | x > y | 4. | x < y |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn an exothermic reaction, heat is evolved, and the system loses heat to the surrounding. The correct choice among the following for such a system are-
(a) qp will be negative
(b) will be negative
(c) qp will be positive
(d) will be positive
1. (a, b)
2. (b, c)
3. (c, d)
4. (a, d)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology