General
✓✗Vinegar is a solution of about
- 5 to 8 per cent ethanoic acid is alcohol
- 5 to 8 per cent ethanoic acid in water
- 50 to 80 per cent ethanoic acid in water
- 50 to 80 per cent ethanoic acid in alcohol
General
✓✗Butanone is a four carbon compound having the functional group
General
✓✗Micelles are_____
- soap molecule
- drops of oil or dirt
- fatty acid molecule
- cluster of soap molecules around dirt particle
General
✓✗One of the following substances is not added to make denatured alcohol. This is
- methyl alcohol
- copper sulphate
- chloroform
- water
General
✓✗Alkenes and alkynes are_____
- saturated hydrocarbons
- unsaturated hydrocarbons
- cyclic hydrocarbons
- none of these
General
✓✗General formula of alkene is
General
✓✗Natural gas is
- Butane
- LPG
- Propone
- Methane
General
✓✗The alcohol obtained by the alkaline hydrolysis of oil or fat is:
- glycerol
- glycol
- methanol
- ethanol
General
✓✗The number of carbon atoms in the organic compound named as 2, 2-dimethylpropane is
- Two
- Five
- Three
- Four
General
✓✗The acid present in lemon is
- citric acid
- acetic acid
- oxalic acid
- formic acid