Chemical Process Systemic insecticides Emit poisonous vapour Are absorbed throughout the plant Kill insects following external bodily contact Are stomach poisons Emit poisonous vapour Are absorbed throughout the plant Kill insects following external bodily contact Are stomach poisons ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Essential oils are usually obtained using Solvent extraction Steam distillation Extractive distillation Leaching Solvent extraction Steam distillation Extractive distillation Leaching ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Average sulphur content in Indian pyrites is about __________ percent. 15 35 55 70 15 35 55 70 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is used as a binding material in soap to improve soap texture? Rosin Benzyl acetate Borax Sodium carbonate Rosin Benzyl acetate Borax Sodium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Commercial production of calcium carbide requires limestone and __________ as raw materials. Coke Fuel oil Sand Soda ash Coke Fuel oil Sand Soda ash ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is an yellow pigment? Zinc sulphides Titanium dioxide Ferrous sulphate Lead chromates Zinc sulphides Titanium dioxide Ferrous sulphate Lead chromates ANSWER DOWNLOAD EXAMIANS APP