Chemistry-
General
Easy
Question
Incorrect statement about manufacture of H2SO4 by contact process is
- Homogeneous catalysis
- Adsorption theory
- 720K and 2 bar pressure
- high temperature and low pressure are favoured
The correct answer is: high temperature and low pressure are favoured
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R :Absence of d – orbitals
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An aqueous solution of a salt Compound C is:
A) gives a white precipitate
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A) gives a white precipitate
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The tetravalent elements A and B form dioxides both react with NaOH to form similar salts 
is 1800 ,
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Four tickets numbered 00, 01, 10, 11 are placed in a bag A ticket is drawn at random and replaced Again a ticket is drawn at random The probability that the sum of the numbers on the tickets drawn is 21
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Graphite is a soft solid lubricant extremely difficult to melt The reason for this anamolous behaviour of graphite –
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Hydrolysis of SiCl4 gives compound 'X' and HCl on heating to 1000°C'X' loses water and forms 'Y' Identify 'X' and 'Y' respectively
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A bag contains 17 counters marked with numbers 1 to 17 on chits A counter is drawn and replaced A second draw is then made The chance that the number on the counter drawn 1st is even and the second is odd is
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