The degree of reluctance of a substance to change its temperature
A) latent heat
B) specific heat
C) kinetic energy
D) heat
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State and explain Le Chatelier’s principle with reference to : 1. change in temperature 2. change in concerntration.
Statement : When a system at equilibrium is subjected to a change in any of the factors determining the equilibrium conditions of a system, system will respond in such a way...
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Fill in the blanks If heat energy is given to a substance and its temperature remains constant then the substance undergoes a change in_______.
Correct Answer - state
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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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Convert the following degree Fahrenheit temperature to degree Celsius. i. 50 °F ii. 10 °F
Given : Temperature in degree Fahrenheit = 50°F To find : Temperature in degree Celsius Formula : °F = \(\frac{9}{5}\)(°C) + 32 Calculation : Substituting 50°F in the formula, °F = \(\frac{9}{5}\)(°C) + 32 50 = \(\frac{9}{5}\)(°C) + 32 °C = \(\frac{(50-32)\times 5}{9}\) = 10°C ii. Given : Temperature in...
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……………. defined an element as any substance that cannot be decomposed into further simple substance by physical or chemical change.
B) Robert Boyle
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For some change in temperature the amount of heat absorbed by a substance is directly proportional to …………………
Correct option is A) mass
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Which part of the graph represents only temperature change but not phase change?
Correct option is D) All
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If the temperature in a room is 30 °C, temperature in degree fahrenheit is
Correct option is: (C) 86 °F
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During phase change the temperature of the substance
C) Remains constant
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Sublimation of Iodine is a (a) Chemical change (b) Physical change (c) Natural change (d) Undesirable change
(b) physical change
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