Class X

General formula of alkyne is
  1. CnH2n+2
  2. CnH2n
  3. CnH2n-2
  4. CnHn
Which of the following is used to oxidise ethanol to ethanoic acid?
  1. Alkaline KMnO4
  2. Conc. H2SO4
  3. Acidified K2Cr2O7
  4. All of above
Which of the following is not an aliphatic hydrocarbon?
  1. ethene
  2. ethane
  3. ethane
  4. benzene
Vinegar is a solution of
  1. 30% � 40% acetic acid in alcohol
  2. 5% � 8% acetic acid in alcohol
  3. 5% � 8% acetic acid in water
  4. 15% � 20% acetic acid in water
. Which of the following can be used for the denaturation of ethyl alcohol?
  1. Methyl alcohol
  2. Pyridines
  3. Copper sulphate
  4. All of the above
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