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Tests
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- Among the alkaline earth metals the element forming predominantly covalent compounds is-
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- In the following nuclear reactions,and and are respectively -
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- The relation between solubility (S) and solubility product of a partially soluble binary electrolyte is
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- The unit of rate constant of a second order chemical reaction is -
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- The molarity and molality of a solution of sulphuric acid are respectively11.07 and 21 .91. The density of the solution in g/ml is -
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- The distillation of phenol with zinc dust gives-
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- Ammonium carbamate when heated to gives a mixture of vapours:with a density 13.0. What is the degree of dissociation of ammonium carbamate?
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- Rutherford’s alpha partcle scattering experiment eventually led to the conclusion that:
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- Nitration of benzene, produce nitrobenzene. During nitration the role of conc. in nitratin mixture is as a:
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- The Compound which gives off oxygen on moderate heating is :
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- The values of for the combustion of ehtane and acetylene are -341.1 and -310.0 K cal, respectively. The better fuel is:
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- The product obtained by the reaction of ethyl amine with acetyl chloride is :
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- The main structure freature of proteins is:
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- Chloroform, on exposing to air and sunlight produce:
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- Fulminating gold is :
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- Two solutions containing 0.75 g of urea (mol. Wt. 60) and 1.5 g of compound A in 100 g water, freeze at the same temperature. The molecular weight of A is :
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- Answer question on the basis of the information given below. In each of the folllowing question, a statement of Assertion (A) is given and a corresponding statement of Reason...
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- Relative abundance of isotopes of element M is as under : and . What is the atomic weight of M?
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- Disintegration constant of a radioactive element A is 0.0693 . Starting with 1 mol of A, rate disintegration after 20 min. Will be;
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- After np orbital are filled, the next orbital filled will be :
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- Consider the reactions Which of the following is correct?
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- If for any reaction, the rate constant is equal to the rate of the reaction at all concentration, the order is;
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- Which one of the following in called “Oil of Mirabane”?
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The Halogens
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- The hybridization of IF7 is
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Chemistry 1
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- Which element in periodic table is called balck sheep element
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- Reduction is defined as :
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- Oxidation state of in is -
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- For the half cell At , electrode potential is
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SAT paper -1
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- Q.1 Mosley’s name is related with the discovery of :
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- Oxidation number of P in is :