1. What do we call the energy transferred between two systems by virtue of temperature difference?

[A] Kinetic Energy

[B] Potential Energy

[C] Heat Energy

[D] Mechanical Energy

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**Correct Answer:** C [Heat Energy]

2. What is the S.I unit of heat energy?

[A] Joule

[B] Kelvin

[C] Candela

[D] Ampere

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**Correct Answer:** A [Joule]

3. What is the freezing point of water as per the Fahrenheit scale?

[A] 0°

[B] 32°

[C] 100°

[D] 212°

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4. Which of the following represents the relationship between the Fahrenheit temperature and Celsius temperature?

[A] t_{f} = (t_{c} x 180)/100 – 32

[B] t_{f} = (t_{c} x 100)/180 – 32

[C] t_{f} = (t_{c} x 100)/180 + 32

[D] t_{f} = (t_{c} x 180)/100 + 32

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**Correct Answer:** D [t_{f} = (t_{c} x 180)/100 + 32]

5. Which of the following represents Boyle’s law?

[A] Pressure = Volume when temperature is constant

[B] Pressure x Volume = constant when temperature is constant

[C] Pressure =2 x Volume when temperature is constant

[D] None of the above

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**Correct Answer:** B [Pressure x Volume = constant when temperature is constant]

6. Which of the following represents Charles’ law?

[A] Volume x Temperature = constant when Pressure is constant

[B] Volume/Temperature = constant when Pressure is constant

[C] Temperature = Volume when Pressure is constant

[D] None of the above

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**Correct Answer:** B [Volume/Temperature = constant when Pressure is constant]

7. Which of the following represents ideal gas law?

[A] PVT = constant

[B] PT/V = constant

[C] PV/T = constant

[D] VT/P = constant

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**Correct Answer:** C [PV/T = constant]

8. What is the value of universal gas constant?

[A] 2.31 J mol^{-1} K^{–1}

[B] 4.31 J mol^{-1} K^{–1}

[C] 6.31 J mol^{-1} K^{–1}

[D] 8.31 J mol^{-1} K^{–1}

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**Correct Answer:** D [8.31 J mol^{-1} K^{–1}]

9. Which of the following represents the absolute zero temperature?

[A] 0° C

[B] -100° C

[C] -273.15° C

[D] 273.15° C

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**Correct Answer:** C [-273.15° C]

10. What is the relationship between Kelvin scale temperature (T) and Celsius scale temperature (t_{c})?

[A] T = t_{c} + 273.15

[B] T = t_{c} – 273.15

[C] T = t_{c} + 100

[D] T = t_{c} – 100

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**Correct Answer:** A [T = t_{c} + 273.15]