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Old 11th October 2014, 04:12 PM
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Default XII CBSE Chemistry Last Year Solved Paper

Here I am looking for the last year chemistry question paper of CBSE XII Exam, can you please provide me the same??
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Old 13th October 2014, 01:38 PM
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Default Re: XII CBSE Chemistry Last Year Solved Paper

As per your request here I am sharing the last year chemistry question paper of CBSE XII Exam

If dinitrogen gas is bubbled through water at 293K, how many millimoles of the gas would dissolve in 1 litre of water? The nitrogen gas is at 0.978 atm. Pressure at that temperature. Its Henry’s law constant is 7.648 x 104 atm.

How ethers are produced from alcohol? Explain the mechanism involved in the above reaction.

Account for the following:
(a) The reduction of a metal oxide is easier if the metal formed in liquid state at the temperature of reduction.
(b) The reduction of Cr2O3 with AI is thermodynamically feasible, yet it does not occur at room temperature
(c) Pine oil is used in forth floatation method.

Chelate therapy is growing interest in treating the problems caused by the presence of metals in toxic proportions in plant and animal systems. The detection of cations through coloured complex formation is done.
a) Name the compound that stops the growth of tumours.
b) What is the alternative medicine for severe kidney damage other than Cis-platin?
c) Give the chelating agents that can remove copper, iron and lead from water.



CBSE XII Exam Chemistry Question Paper



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