318540 TLV values of four pollutants \({\text{A, B, C}}\,\,{\text{and}}\,\,{\text{D}}\) are \({\text{2}}\,\,{\text{ppm}}\), \({\text{9}}\,\,{\text{ppm}}\), \({\text{20}}\,\,{\text{ppm}}\) and \({\text{50}}\,\,{\text{ppm}}\). Among these four pollutants which one is the most toxic pollutant?

318541 The number of oxygen atoms present in peroxyacetyl nitrate (PAN) is

318542 Which environmental segment interacts with all the other environmental segments?

318543 The compounds used in antiknock compositions to prevent the deposition of oxides of lead on spark plug, combustion chamber and exhaust pipe is

318544 Statement A :
Excessive use of chlorinated synthetic pesticides causes soil and water pollution.
Statement B :
Such pesticides are non-biodegradables.

318540 TLV values of four pollutants \({\text{A, B, C}}\,\,{\text{and}}\,\,{\text{D}}\) are \({\text{2}}\,\,{\text{ppm}}\), \({\text{9}}\,\,{\text{ppm}}\), \({\text{20}}\,\,{\text{ppm}}\) and \({\text{50}}\,\,{\text{ppm}}\). Among these four pollutants which one is the most toxic pollutant?

318541 The number of oxygen atoms present in peroxyacetyl nitrate (PAN) is

318542 Which environmental segment interacts with all the other environmental segments?

318543 The compounds used in antiknock compositions to prevent the deposition of oxides of lead on spark plug, combustion chamber and exhaust pipe is

318544 Statement A :
Excessive use of chlorinated synthetic pesticides causes soil and water pollution.
Statement B :
Such pesticides are non-biodegradables.

318540 TLV values of four pollutants \({\text{A, B, C}}\,\,{\text{and}}\,\,{\text{D}}\) are \({\text{2}}\,\,{\text{ppm}}\), \({\text{9}}\,\,{\text{ppm}}\), \({\text{20}}\,\,{\text{ppm}}\) and \({\text{50}}\,\,{\text{ppm}}\). Among these four pollutants which one is the most toxic pollutant?

318541 The number of oxygen atoms present in peroxyacetyl nitrate (PAN) is

318542 Which environmental segment interacts with all the other environmental segments?

318543 The compounds used in antiknock compositions to prevent the deposition of oxides of lead on spark plug, combustion chamber and exhaust pipe is

318544 Statement A :
Excessive use of chlorinated synthetic pesticides causes soil and water pollution.
Statement B :
Such pesticides are non-biodegradables.

318540 TLV values of four pollutants \({\text{A, B, C}}\,\,{\text{and}}\,\,{\text{D}}\) are \({\text{2}}\,\,{\text{ppm}}\), \({\text{9}}\,\,{\text{ppm}}\), \({\text{20}}\,\,{\text{ppm}}\) and \({\text{50}}\,\,{\text{ppm}}\). Among these four pollutants which one is the most toxic pollutant?

318541 The number of oxygen atoms present in peroxyacetyl nitrate (PAN) is

318542 Which environmental segment interacts with all the other environmental segments?

318543 The compounds used in antiknock compositions to prevent the deposition of oxides of lead on spark plug, combustion chamber and exhaust pipe is

318544 Statement A :
Excessive use of chlorinated synthetic pesticides causes soil and water pollution.
Statement B :
Such pesticides are non-biodegradables.

318540 TLV values of four pollutants \({\text{A, B, C}}\,\,{\text{and}}\,\,{\text{D}}\) are \({\text{2}}\,\,{\text{ppm}}\), \({\text{9}}\,\,{\text{ppm}}\), \({\text{20}}\,\,{\text{ppm}}\) and \({\text{50}}\,\,{\text{ppm}}\). Among these four pollutants which one is the most toxic pollutant?

318541 The number of oxygen atoms present in peroxyacetyl nitrate (PAN) is

318542 Which environmental segment interacts with all the other environmental segments?

318543 The compounds used in antiknock compositions to prevent the deposition of oxides of lead on spark plug, combustion chamber and exhaust pipe is

318544 Statement A :
Excessive use of chlorinated synthetic pesticides causes soil and water pollution.
Statement B :
Such pesticides are non-biodegradables.