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Chemistry Test ...

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  • Question 1
    4 / -1

    During the process of electrolytic refining of Copper which of the following may obtained as a anode mud?

  • Question 2
    4 / -1

    How many moles of KOH are required per mole of R–NH2 in the balanced reaction?

  • Question 3
    4 / -1

    An ionic solid 'AB' (Mw = 120 g/mol) has NaCl type structure. The shortest distance between cation and anion is 500 pm. If there is a schottky defect of 2% then the density of crystal in g / cm3 will be : (NA = 6 ×1023)

  • Question 4
    4 / -1

    Which of the following metal is not commercially extracted by self reduction method from their corresponding ore?

  • Question 5
    4 / -1

    What is the major product of the given reaction sequence?

  • Question 6
    4 / -1

    At 27°C, the vapour pressure of an aqueous solution of urea is equal to the osmotic pressure of 5 × 10–3 M aqueous solution of glucose. If vapour pressure of pure water at 27°C is 114 torr then the mole fraction of urea in its solution is - [Given : R = 0.08 L-atm/mol-K]

  • Question 7
    4 / -1

    Select incorrect statement regarding silver extraction -

  • Question 8
    4 / -1

    What is the colour of the dye formed in the given reaction?

  • Question 9
    4 / -1

    In a solid compound, X-particles are present in ccp position, Y-particle are in all octahedral voids and Z-particles are in alternate tetrahedral voids. If all void- particles along one of the body-diagonal are removed then the formula of compound will be given as -

  • Question 10
    4 / -1

    During the extraction process of Copper, Silica is added to roasted ore, in order to remove.

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