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{:(1.,"Borax","a.","Allotrope of carbon"...

`{:(1.,"Borax","a.","Allotrope of carbon"),(2.,"Graphite","b.",Na_(2)B_(4)O_(7)),(3.,"ZnO","c.","Ozone"),(4.,"CFCs","d.","Neutral oxide"),(5.,NH_(3),"e.","Fertilizer"),(,,"f.","Fixation of nitrogen"):}`

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{:(,"Borax bead test",,),(1.,"Copper","a.","Blue"),(2.,"Iron","b.","Grey"),(3.,"Manganese","c.","Red"),(4.,"Cobalt","d.","Bottlegreen"),(5.,"Chromium","e.","Colorless"),(,,"f.","Green"):}

{:(1.,"Inert pair effect","a.","Nitric acid"),(2.,"Oxyacid","b.","Cell fuel"),(3.,"Liquid nitrogen","c.","Stabilisation of lower oxidation state"),(4.,"Ostwald process","d.","Ozone"),(5.,"Molecular oxygen","e.","Platinum gauze"),(,,"f.","Refrigerant"):}

Na_(2)B_(4)O_(7).10H_(2)O can also be represented as

NA_(2)B_(4)O_(7).10H_(2)O can also be represented as

{:("LIST - 1","LIST - 2"),("A) "NH_(3),"1) "sp^(3)d", trigonal bipyramidal"),("B) "N_(2)O_(3),"2) "sp^(3)", tetrahedral"),("C) "PCl_(5),"3) sp, linear"),("D) "NH_(4)^(+),"4) "sp^(3)", pyramidal"),(,"5) anhydride of nitrous acid"):} The correct match is

{:(,"Column - I",,"Column - II"),((A),H_(3)BO_(3),(P),"Hydrogen bonds"),((B),Na_(2)B_(4)O_(7),(Q),"Amphoteric"),((C ),Al_(2)O_(3),(R ),"Basic"),((D),"TIOH",(S),"Lewis acid"):}

{:("LIST - 1","LIST - 2"),("A) "NH_(3),"1) Oxidant"),("B) "KMnO_(4),"2) Both oxidant and reductant"),("C) "SO_(2),"3) Neither oxidant nor reductant"),("D) "He,"4) Reductant"),(,"5) Dehydrating agent"):} The correct match is

{:(,"Column - I",,"Column - II"),((A),"Corundum",(P),Ca_(a)B_(6)O_(11).5H_(2)O),((B),"Cryolite",(Q),Al_(2)O_(3).2H_(2)O),((C ),"Potash alum",(R ),"Sodium aluminium fluoride"),((D),"Colemanite",(S),Al_(2)O_(3)),((E ),"Bauxite",(T),Na_(2)B_(4)O_(7).10H_(2)O),((F),"Borax",(U),K_(2)SO_(4).Al_(2)(SO_(4))_(3).24H_(2)O):}