Temperature objective type questions Science Quiz

Temperature objective type questions Science Quiz
General Science Quiz - Multiple Choice Questions with Answers
Competitive Exams Quiz: Science Multiple Choice Questions on Temparature
1. Water in a container is heated from 0°C to 10°C. Its volume
(a) increases for the full given range (from 0°C to 10°C)
(b) decreases up to 4°C, then increases
(c) increases up to 4°C, then decreases
(d) decreases for the full range (from 0°C to 10°C)
Ans. (b)

2. 233 K is equal to
(a) 40°F
(b) -40°F
(c) 172°F
(d) -172°F
Ans. (b)

3. The volume of mole of a prefect gas at NTP is
(a) 22.4 liters
(b) 2.24 liters
(c) 100 liters
(d) none of these
Ans. (a)

4. -40°F on absolute scale is equal to
(a) 0 K
(b) 233 K
(c) 273 K
(d) 313 K
Ans. (b)

5. A temperature difference of 27°C on the Kelvin scale is
(a) 27 K
(b) 300 K
(c) -246 K
(d) zero
Ans. (a)

6. A temperature difference of 15°C on the Fahrenheit scale is
(a) 47°F
(b) 59°F
(c)-27 °F
(d)-59°F
Ans. (a)

7. At what temperature do the Fahrenheit and Celsius scales give the same reading?
(a) 400
(b) 00
(c) 574.25°
(d) 273°
Ans. (a)

8. When 1 g of ice melts at 0°C
(a) 80 cal of heat is liberated
(b) 80 cal of heat is absorbed
(c) no heat is required
(d) none of these
Ans. (b)

9. A beaker contains 40 g of water at 20°C. Now 50 g of ice is put into the beaker. The resulting temperature will be
(a) -7°C
(b) 0°C
(c) 10°C
(d) 1.5°C
Ans. (b)

10. 5 g of ice at 0°C and 20 g of water at 45°C are mixed. The temperature of the
mixture will be
(a) 10°C
(b) 20°C
(c) 30°C
(d) 40°C
Ans. (b)

11. The amount of heat required to raise the temperature of a body by 1°C is called
(a) latent heat
(b) specific heat
(c) Thermal capacity
(d) none of these
Ans. (c)

12. If the temperature scale is changed from °C to °F. the numerical value of specific
heat will
(a) increase
(b) decrease
(c) remain unchanged
(d) nothing can be said
Ans. (b)

13. The amount of heat required to convert 1 g of ice (specific 0.5 cal g-1°C-1)
at -10°C to steam at 100°C is
(a) 721 cal
(b) 636 cal
(c) 716 cal
(d) none of these
Ans. (a)

14. How much ice must be added to 100 g water at 30°C in order to reduce its
temperature to 20°C?
(a) 10 g
(b) 80 g
(c) 400 g
(d) None of these
Ans. (a)

15. Two liquids have the densities in the ratio of 1 : 2 and specific heats in the
Ratio of 2: 1. The ratio of thermal capacity of equal volume of those liquids is
(a) 1: 1
(b) 1: 4
(c) 4:1
(d) 2:1
Ans. (a)

16. Which of the following substances has greatest specific heat?
(a) Iron
(b) Water
(c) Copper
(d) Mercury
Ans. (b)

17. When temperature is gradually decreased, the specific heat of a substance is
(a) Decreased
(b) Increased
(c) Remain unchanged
(d) Nothing can be said
Ans. (a)

18. 2 kg ice at 0°C is mixed with 8 kg of water at 20°C. The final temperature is
(a) 0°C
(b) 20°C
(c) 80°C
(d) None of these
Ans. (a)

19. Two bodies are in thermal equilibrium if they have same
(a) Temperature
(b) Amount of heat
(c) Specific heat
(d) Thermal capacity
Ans. (a)

20. A piece of ice at 0°C is put into a vessel containing water at 0°C. The ice will
(a) Melt
(b) Not melt
(c) Slightly melt
(d) Vanish in no time
Ans. (b)