Chemistry Pyrethrin used in mosquito coil is obtained from A bacterium An insect A fungus A seed plant A bacterium An insect A fungus A seed plant ANSWER DOWNLOAD EXAMIANS APP
Chemistry Trinitrotoluene is Used as an abrasive Used to fuse two metals Used as an explosive Used to melt metals Used as an abrasive Used to fuse two metals Used as an explosive Used to melt metals ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following substances all carbon atoms are quaternary in nature ? Diamond Graphite Teflon Napthalene Diamond Graphite Teflon Napthalene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of neutrons present in an element having mass number 226 and atomic number 88 is : 138 88 314 50 138 88 314 50 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is usually not an air-pollutant? Carbon dioxide Sulphur dioxide Hydrocarbons Nitrous oxide Carbon dioxide Sulphur dioxide Hydrocarbons Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The orientation of an atomic orbital is governed by Azimuthal quantum number Spin quantum number Principal quantum number Magnetic quantum number Azimuthal quantum number Spin quantum number Principal quantum number Magnetic quantum number ANSWER DOWNLOAD EXAMIANS APP