Home
Class 11
CHEMISTRY
{:(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"):}`

Promotional Banner

Topper's Solved these Questions

  • P-BLOCK ELEMENTS

    NCERT BANGLISH|Exercise QUESTIONS - D. WRITE IN ONE OR TWO SENTENCE|11 Videos

  • P-BLOCK ELEMENTS

    NCERT BANGLISH|Exercise QUESTIONS - E. EXPLAIN BRIEFLY ON THE FOLLOWING|12 Videos

  • P-BLOCK ELEMENTS

    NCERT BANGLISH|Exercise QUESTIONS - B. FILL IN THE BLANKS|13 Videos

  • ORGANIC HALOGEN COMPOUNDS

    NCERT BANGLISH|Exercise Questions(C. Write in one or two sentence)|1 Videos

  • PERIODIC CLASSIFICATION-I

    NCERT BANGLISH|Exercise Questions (Explain briefly the following)|18 Videos

Similar Questions

Explore conceptually related problems

{:(,"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"):}

Complete the following reactions : Na_2B_4O_7+7H_2O rarr

Arrange according to the instruction given (i) Al_(2)O_(3),P_(2)O_(5),Cl_(2)O_(7),SO_(3) (increasing order of acidic) (ii) MgO,ZnO,CaO,Na_(2)O,CuO (increasing order of basicity).

If the oxidation number of Cr in CrO_(5),K_(2)CrO_(4),K_(2)Cr_(2)O_(7) and [Cr(NH_(3))_(4)Cl_(2)]Cl are +a.+b, +c and +d respectively then

Which of the following oxides are amphoteric . (1) BeO (2) SnO (3) ZnO (4) Al_2O_3

Arrange the following compounds is increasing order of the oxidation number of S. . Na_(2)S_(4)O_(6),H_(2)S_(2)O_(7),H_(2)SO_(3),Na_2S_(2)O_(3)

The formula of borax should be written as Na_2[B_4O_5(OH)_4].8H_2O instead of Na_2B_4O_7. 10H_2O - explain this fact.

A=[(3,a,-1),(2,5,c),(b,8,2)] is symmetric and B=[(d,3,a),(b-a,e,-2b-c),(-2,6,-f)] is skew-symmetric, then find AB.

If A={:[(2,-3),(0,1),(-1,4)],B={:[(-1,5),(2,-3),(0,1)],C={:[(4,-2),(0,-1),(3,5)], Find the matrices 2B - 3C