The action of cleaning of oily dirt by soap is based on ....... (1) solubility in water (2) hydrophilic property (3) hydrophobic property (4) presence of both hydrophilic and hydrophobic groups
Which of the following hydrocarbons have acidic hydrogen? (1) CH2=CH2 (2) (3) CH4 (4) C6H6
A strip of copper is placed in four different colourless salt solution. The salt solutions are NaNO3, Zn(NO3)2 , Mg(NO3)2, , AgNO3 Which one of the solution will finally turn blue
(1) AgNO3 (2) Zn(NO3)2 (3) Mg(NO3)2 (4) NaNO3
Which of the following organic molecules does not have carbon-carbon double bond (1) C3H4O (2) C3H4O2 (3) C3H8O (4) C6H6O
The allotrope of carbon in amorphous form among the following is ....... (1) Diamond (2) Graphite (3) Buckministerfullerene (4) Coal
Property of self-combination of the atoms of the same element to form long chains is known as (1) Protonation (2) Carbonation (3) Coronation (4) Catenation
