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Those solutions in which there is no volume change upon mixing the components in the liquid state and which, when diluted do not undergo any heat change (i.e. heat of dilution is zero), are called __________ solutions.?
Answer: Option 1 For an ideal solution the heat of mixing or enthalpy change and volume change due to mixing is zero. Since volume change mixing $$ = {V^t}\left( {T,P} \right)...
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Two men and women are entrusted with a task. The second man needs three hours more to cope up with the job than the second man and the woman would need working together. The first man, working alone, would need as much time as second man and the woman working together. The first man working alone, would spend eight hours less than the double period of the time second man would spend working alone. How much time would the two men and the women need to complete the task if they all asked together?
Answer: Option 1 Difference in times required by the first man (A) and second man (B) = 3 hours. Also, if ta and tb are the respective times, then tb -...
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On a clean glass plate a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because:?
Answer: Option 3 On a clean glass plate a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because cohesion of mercury...
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On a clean glass plate a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because?
Answer: Option 3 On a clean glass plate a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because cohesion of mercury...
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If ‘H’ is the height of wall between centers of supports, then the effective height of wall where concrete floors have a bearing on wall irrespective of the direction of span will be?
Answer: Option 1 Let'
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If the time required for half change is inversely proportional to the square of initial concentration and the velocity depends on the units in which the concentration term is expressed, then the order of reaction is?
Answer: Option 3 Let'
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The major constituent of laminate of safety glass, which holds the broken glass, pieces in their places during accident (and thus minimises the danger from flying glass fragments) is?
Answer: Option 3 Let'
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Working principle of bimetallic thermometers is difference in linear co-efficient of thermal expansion of two strips of different metals welded together. Which of the following has the maximum thermal co-efficient of linear expansion?
Answer: Option 2 Let'
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Which of the following relates the emf. generated in a single homogeneous wire to the temperature difference?
Answer: Option 2 Let'
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