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MCQ- 46
C₂O₄^2- → 2CO₂ + X e^–
The ‘X’ electrons in the above equation are
A. 1
B. 3
C. 2
D. 4

Answer C

MCQ- 47
If the enthalpy of products is more than reactants, the value of ∆H is denoted by
A. Positive sign
B. Has no sign
C. Negative sigh
D. Nature of reaction

Answer: A

MCQ- 48
Which is used to measure the enthalpy of combustion?
A. Glass calorimeter
B. Bomb calorimeter
C. Copper Calorimeter
D. Flame Calorimeter

Answer: B

MCQ- 49
If the number of moles of the product is more than that of the reactant than
A. q_p = q_v
B. q_p > q_v
C. q_p < q_v
D. q_p = q_v/2

Answer: B

MCQ- 50
The amount of heat required to convert one mole of a solid directly into its vapour state at STP is called as
A. Standard heat of sublimation
B Heat of reaction
C. Molar heat of vaporization
D. Heat of neutralization

Answer: A