The alkane used in portable blow - torches and gas - lighters.
Propane
Methane
Butane
Ethane
Synthetic soapless detergent is :
Alkyl benzene sulphonates
Alkyl benzene chlorates
Benzyl alcohol
Sulphonamide
The simplest alkane is:
Pentane
The acid used as a descaler in hard water areas.
Acetic acid
Propanoic acid
Methanoic acid
Butanoic acid
Unsaturated hydrocarbons with double bond between carbon atoms are called:
Alkenes
Alkanes
Alkynes
Boranes
The smell of pineapple is due to the presence of the ester:
Ethyl - 2 methyl butanoate
Butyl butanoate
Pentyl butanoate
Octyl butanoate
Soap is made by treating animal fats or vegetable oils with:
Alcohol
Potassium chloride
Ammonium hydroxide
Sodium hydroxide
Ethanol burns with a clear flame giving:
CO2 and H2O
CO2 and H2
C and H2
H2 and N2
The acid present in nettle and ant stings.
A weak solution of ethanoic acid is called:
Ethanal
Ethanol
Wine
Vinegar
