Chemistry The open "Sigrees" or coal stoves often require fanning to sustain burning because of Tendency of carbon dioxide to form a layer along with dust smoke Accumulation of smoke and dust over the sigrees Lack of oxygen in the surroundings of sigrees Interrupted release of moisture from the material Tendency of carbon dioxide to form a layer along with dust smoke Accumulation of smoke and dust over the sigrees Lack of oxygen in the surroundings of sigrees Interrupted release of moisture from the material ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one among the following is not a mixture? Graphite Brass Steel Glass Graphite Brass Steel Glass ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who developed Hydrogen Bomb? Wernher Von Braun Samuel Cohen J. Robert Oppen Heimer Edward Teller Wernher Von Braun Samuel Cohen J. Robert Oppen Heimer Edward Teller ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone saves the biosphere by absorbing high energy radiations called ________ . Infra-red (IR) Gamma rays Ultraviolet rays (UV) X–rays Infra-red (IR) Gamma rays Ultraviolet rays (UV) X–rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry Haloarenes are more stable than haloalkanes due to Hyper conjugative effect Resonance effect Inductive effect All of them Hyper conjugative effect Resonance effect Inductive effect All of them ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals occurs in free state ? Lead Iron Copper Zinc Lead Iron Copper Zinc ANSWER DOWNLOAD EXAMIANS APP
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