Thermodynamics Laws in Hindi

Thermodynamics Laws in Hindi. We covered all the Thermodynamics Laws in Hindi in this post for free so that you can practice well for the exam.

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Thermodynamics Laws Objective in Hindi for Students

1 gram of carbon on combustion with oxygen gives 7.82 Kcal of heat. The amount of heat evolved when 1 mole of oxygen is used for oxidation is

(A) 7.82 Kcal

(B) -7.82 K cal

(C) 9.384 Kcal

(D) 93.84 K cal

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In the formation, 3.65 g HCI heat liberated is 2000 Cals. The heat formation of HCI is

(A) 2 K cals

(B) -2 K cals

(C) 20 K cals

(D) -20 Kcals

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The human body requires 2370 K cal energy daily. If the heat of combustion of glucose is 790 Kcal/ mol. The amount of glucose required for daily consumption is

(A) 320 g

(B) 490 g

(C) 540g

(D) 650 g

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In an exothermic reaction reactants

(A) Have more energy than products

(B) Have less energy than products

(C) Have the same energy that products

(D) Have high temperature than products

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In the melting of solid

(A) Enthalpy decreases

(B) Enthalpy increases

(C) No change in enthalpy

(D) Internal energy decreases

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Which value indicates the substance is less stable?

(A) -94 K cal

(B) -231.6 K cal

(C) +21.4 K cal

(D) +64.8 K cal

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We covered all the thermodynamics laws in Hindi above in this post for free so that you can practice well for the exam.

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