Chemistry Pyrethrin used in mosquito coil is obtained from A seed plant A bacterium An insect A fungus A seed plant A bacterium An insect A fungus ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metallic constituents of hard water are : Calcium, magnesium and iron Iron, tin and calcium Magnesium, tin and iron Magnesium, calcium and tin Calcium, magnesium and iron Iron, tin and calcium Magnesium, tin and iron Magnesium, calcium and tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atomic number of an atom gives the number of which of the following ? Electrons Neutrons Protons Neutrons and protons Electrons Neutrons Protons Neutrons and protons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is a naturally occuring noble gas Potassium Argon Boron Sodium Potassium Argon Boron Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the most reactive halogen Iodine Chlorine Fluorine Bromine Iodine Chlorine Fluorine Bromine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas is used as fire extinguisher ? Carbon suboxide Carbon dioxide Sulphur dioxide Carbon monoxide Carbon suboxide Carbon dioxide Sulphur dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS