At this temperature water changes into gaseous state, (in Kelvin)
A) 100
B) 373
C) 273
D) 173
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Fill in the blanks The temperature at which a liquid convert to gaseous state is called ________ of a liquid.
Correct Answer - boiling point
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Write the expression showing the relationship between : i. Degree Fahrenheit and Degree Celsius ii. Kelvin and Degree Celsius
i. The relationship between degree Fahrenheit and degree Celsius is expressed as, °F = \(\frac{9}{5}\)(°C) + 32 ii. The relationship between Kelvin and degree Celsius is expressed as, K = °C + 273.15
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Calculate the temperature which has the same value on fahrenheit scale and kelvin scale.
Given: TK = TF = x To find: Temperature at which Kelvin and Fahrenheit scales coincide (x) Formula: \(\frac{T_F-32}{180}=\frac{T_K-273.15}{100}\) Calculation: From formula. ∴ \(\frac{x-32}{180}=\frac{x-273.15}{100}\) ∴ 5(x – 32) = 9(x – 273.15) ∴ 5x – 160 = 9x – 2458.35 ∴ 4x...
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The difference in temperature of a body measured as 27°C. Its corresponding difference in Kelvin scale is ………………..
Correct option is A) 27 K
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The final temperature of a mixture of 100g of water at 30°C temperature and 100g of water at 60°C temperature is ………………………
Correct option is A) 45° C
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The liquid phase changes to gaseous phase at a constant temperature at a given pressure is called ………………………..
Correct option is C) boiling
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The liquid phase changes to gaseous phase at a constant temperature at a given pressure is called ………………………..
2 Answers
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If the temperature on Fahrenheit scale is 140 °F, then the same temperature on kelvin scale will be
Correct option is: (C) 333.15 K
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When a solid changes to directly gaseous state, the process is called
B) Sublimation
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The SI unit of temperature is ……….. (a) Calorie (b) Joule (c) Celsius (d) Kelvin
Correct answer is (d) Kelvin
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