Class XI

Chemical formula of Potassium Hydrogen Carbonate
  1. KHCO3
  2. K2CO3.H2O
  3. KCO3
  4. K2CO4.H2O
Examples of conductors include
  1. Platinum
  2. Sulphur
  3. Phosphorus
  4. Wood
Molar mass of Copper Oxide (Cu2O) is
  1. 113.14g/mol
  2. 139.33g/mol
  3. 173.298g/mol
  4. 143.09g/mol
Formula K2SO4 indicates that
  1. 2 ions of Kalium are combined with 4 molecules of oxygen
  2. 2 ions of Kalium are combined with 1 sulfate ion
  3. 2 ions of potassium are combined with one sulfur and 4 oxygen molecules
  4. 1 ion of potassium is combined with 1 sulfate ion
Sulfite ion can be written symbolically as
  1. SO4−2
  2. SO3−2
  3. SO4−3
  4. S−2
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