Class XI

 Combining Copper(II) (Cu+2) with Oxygen (O2) results in
  1. CuO
  2. Cu2O
  3. CuO2
  4. Cu(OH)2
Enzymes cannot
  1. Operate over a wide range of pH
  2. Act as biological catalysts
  3. Be highly specific
  4. Be highly specific
Rate of decomposition of hydrogen peroxide can be expedited through
  1. Glycerin
  2. Manganese oxide
  3. Vanadium oxide
  4. Platinum
 Diazo reagent is used as a locating agent in chromatography of
  1. Picric acids
  2. Benzoic acids
  3. Phenolic acids
  4. Salicylic acid
Molar mass of (NH4)2SO4
  1. 113.19g/mol
  2. 124.21g/mol
  3. 141.39g/mol
  4. 132.139 g/mol
Time Elapsed

HR : MIN : SEC
Question Answered
0
Score out of 100
0

Get Started!

we provide the best
services to our students

AmazingCounters.com Views

 

LKG - 12th

Rs 1,999  Annual
Plan
TOP