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Surface Chemist...

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  • Question 1
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    Blood contains:

  • Question 2
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    $$CO + H_2{\rightarrow } CH_3 OH$$ 


    Which catalyst is used in the above reaction?

  • Question 3
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    Directions For Questions

    $$1$$ g of activated charcoal has a surface area $${10}^{3}\ {m}^{2}$$. One molecule of $$N{H}_{3}$$ having diameter $$0.3$$ nm is supposed to be adsorbed on complete surface of charcoal forming unilayer adsorption. The activated charcoal is brought in contact with $$100$$ mL of $$2\ M$$ $$N{H}_{3}$$ solution.

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    The moles of $$HCl$$ required to neutralise left $$N{H}_{3}$$ solution after adsorption is:

  • Question 4
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    Mention catalyst in the following reaction:
    $$KClO_3 \rightarrow  KCl + O_2$$ 

  • Question 5
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    The catalyst used in making $$H_2SO_4$$ in contact process is :

  • Question 6
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    Which of the following element is responsible for oxidation of water to $$O_2$$ is biological processes?

  • Question 7
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    Mention catalyst in the following reaction:

    $$C_2H_4 {\rightarrow } CH_3 CHO$$  

  • Question 8
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    Decomposition of $$H_2O_2$$ is prevented in presence of :

  • Question 9
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    On adding few drops of dilute $$HCl$$ or $$FeCl_3$$ to freshly precipitated ferric hydroxide, a red coloured colloidal solution is obtained. This phenomenon is known as :

  • Question 10
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    The colloidal system in which the disperse phase and dispersion medium are both liquids is known as:

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