Chemistry Among the following the hardest metal is Platinum Gold Iron Tungsten Platinum Gold Iron Tungsten ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who developed Hydrogen Bomb? J. Robert Oppen Heimer Wernher Von Braun Samuel Cohen Edward Teller J. Robert Oppen Heimer Wernher Von Braun Samuel Cohen Edward Teller ANSWER DOWNLOAD EXAMIANS APP
Chemistry Particulates (< 1 µm size) remaining suspended in air indefinitely and transported by wind currents are called Mists Aerosols Smoke Fumes Mists Aerosols Smoke Fumes ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element which is used for vulcanizing rubber Phosphorus Silicon Sulphur Bromine Phosphorus Silicon Sulphur Bromine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen forms a variety of compounds in all oxidation states ranging from –3 to + 6 –3 to + 3 –3 to + 5 –3 to + 4 –3 to + 6 –3 to + 3 –3 to + 5 –3 to + 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as filler in tyre of rubber ? Coke Graphite Coal Carbon black Coke Graphite Coal Carbon black ANSWER DOWNLOAD EXAMIANS APP