Class XI

All of these radicals have a valency of -1, except
  1. OH
  2. SO4
  3. NO3
  4. HCO3
No heating is required when to form salts, acids react with
  1. Metal carbonates
  2. Metal oxides
  3. Metal hydroxides
  4. Metal chlorides
 Basic oxides neutralize
  1. Water
  2. Acids
  3. Non-metal oxides
  4. Hydroxonium ions
An impure substance
  1. Lowers boiling point
  2. Increases boiling point
  3. Lowers melting point
  4. Increases melting point
Fine insoluble solid particles can be removed through
  1. Crystallization
  2. Decanting
  3. Centrifuging
  4. Separating funnel
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