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{:("Column I","Column II"),( A. "Nascent...

`{:("Column I","Column II"),( A. "Nascent hydrogen",p. "Permutit"),( B" Hard water",q. "Used as tracer in the study of reaction mechanism "),(C" Hydrogen peroxide",r. "Reduces" FeCl_(3) "to" FeCI_(2)), (D"Heavy water",s. "Reduces" Cr_(2) O_(7)^(2-)" to" Cr^(3+)):}`

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{:("Column I","Column II"),( A. NaBH_(4),p. "Complex hydride"), (B. LiBH_(4),q."Alanate"),( C. BeH_(2),r." Ionic hydride"), (D. LiH,s." Covalent hydride"):}

{:("Column I","Column II"),( A." Sodium ion in zeolite gets exchanged with",p.Ca^(2+)),( B." Hardness",q. Mg^(2+)),( C." Temporary hardness ",r. Ca (HCO_(3))_(2)),( D. "Permanent hardness",s. MgSO^(4)):}

Knowledge Check

  • Match the columns. {:("Column I","Column II"),("a. Aerobic","1. Frankia"),("b. Cyanobacteria","2. Azospirillum"),("c. Casuarina","3. Clostridium"),("d. Tropical grasses","4. Aulosira"),("","5. Azotobacter"):}

    A
    a-4,b-3,c-2,d-1
    B
    a-5,b-3,c-4,d-1
    C
    a-5,b-4,c-1,d-2
    D
    a-3,b-5,c-4,d-2

  • Match the columns. {:("Column I","Column II"),("a. 4C","1. Acetyl CoA"),("b. 2C","2. Pyruvate"),("c. 5C","3. Citric acid"),("d. 3C","4. "alpha"-ketoglutaric acid"),(,"5. Malic acid "):}

    A
    a-2,b-5,c-3,d-1
    B
    a-3,b-1,c-4,d-2
    C
    a-5,b-1,c-4,d-2
    D
    a-5,b–3,c-1,d-2

  • Match List I with List II and select the correct answer using the codes given below in the lists: {:("List I", "List II"),(1."Heavy hard water" ,A."Becarbonates of Mg and Ca in water"),(2. "Temporary hard Water", B." No foreign ions in water"),(3. "Soft water" ,C. D_(2)O),(4. "Permanent hard water" ,d."Sulphates and chlorides of Mg and Ca in water"):} Codes:

    A
    I-C,2-D, 3-B, 4-A
    B
    I-B,2-A, 3-C, 4-D
    C
    I-B,2-D, 3-C, 4-A
    D
    I-A,2-A, 3-B, 4-D

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    Explore conceptually related problems

    Write a balanced equation for the oxidation of Fe^(2+) ions to Fe^(3+) ions by dichromate ions (Cr_2 O_(7))^(2-) in acidic medium, wherein, Cr_(2)O_(7)^(2-) ions are reduced to Cr^(3+) ions.

    Write a balanced equation for the oxidation of Fe^(2+) ions to Fe^(3+) ions by dichromate ions (Cr_2O_7)^(2-) in acidic medium, wherein, Cr_2O_7^(2-) ions are reduced to Cr^(3+) ions.

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    Match the columns. {:("Column I","Column II "),("1. Human urine ","a. Cytokinin"),("2. Gibberella fujikuroi ","b. Auxin"),("3. Herring fish DNA","c. Ethylene"),("4. Ripening fruits","d. Abscisic acid"),("5. Aged leaves of plants","e. Gibberellins"):}

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