Phosphorous
Silicon
Carbon
Sulphur
In what way are the particles responsible for spoiling the quality of air causing damage to vital organs of the body?
In which among the given groups, are the elements written in the descending order of their respective atomic weights?
In Which among the given processes is energy released
In Which among the given substances all carbon atoms are quaternary in nature
In which among the given will you look for E. Coli?
In which decade was the SPICE simulator introduced?
In which decade was the telephone invented?
In which form the chemical compound RDX is used?
In which of the following diseases copper accumulates in tissues ?
In which of the following era began the Self replicating RNA molecules on Earth ?
