Chemistry-
General
Easy
Question
p Ka values of four acids are given below at 25°C. The strongest acid is:
- 2.0
- 2.5
- 3.0
- 4.0
The correct answer is: 2.5
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and a strong acid is:
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Chemistry-General
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. The degree of hydrolysis of 0.00 I M solution of the salt is:
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When the state of a gas adiabatically changed from an equilibrium state A to another equilibrium state Ban amount of work done on the stystem is 35J. If the gas is taken from state A to B via process in which the net heat absorbed by the system is 12 cal, then the net work done by the system is(1cal=4.19J)
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Physics-General
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5.6 litre of helium gas at SIP is adiabatically compressed to 0.7 litre. Taking the in initial temperature to be T1,the work done in the process is
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In a Carnot engine, the temperature of reservoir is 927Cand that of sink is 27C. If the work done by the engine when it transfers heat from reservoir to sink is 12.6 
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The specific heat capacity of a metal at low temperature(7) is given as
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If the sides of a triangle ABC are a, b and c such that 2b = a + c,
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Reason : According to classical physics all moving electrons radiate.
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The centre of the Sun consists of gases whose average molecular weight is 2. If the density of the gases is 
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