Chemistry Trinitrotoluene is Used as an abrasive Used to melt metals Used as an explosive Used to fuse two metals Used as an abrasive Used to melt metals Used as an explosive Used to fuse two metals ANSWER DOWNLOAD EXAMIANS APP
Chemistry Pyrethrin used in mosquito coil is obtained from A fungus An insect A bacterium A seed plant A fungus An insect A bacterium A seed plant ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following phenomenon is considered responsible for Global Warming? Fire in coal mines Greenhouse effect Dry farming Trade winds Fire in coal mines Greenhouse effect Dry farming Trade winds ANSWER DOWNLOAD EXAMIANS APP
Chemistry The total energy of revolving electron in an atom Can have any value above zero Will always be positive Can never be positive Cannot be negative Can have any value above zero Will always be positive Can never be positive Cannot be negative ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron rusts quickly in Distilled water Sea water Rain water River water Distilled water Sea water Rain water River water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ionisation energy of hydrogen atom in the ground state is x KJ. The energy required for an electron to jump from 2nd orbit to 3rd orbit is 5x/36 7.2 x x/6 5x 5x/36 7.2 x x/6 5x ANSWER DOWNLOAD EXAMIANS APP