Chemistry Poison used for killing rats is Calcium phosphide (Ca3P2) Magnesium nitride (Mg3N2) Magnesium phosphide (Mg3P2) Zinc phosphide (Zn3P2) Calcium phosphide (Ca3P2) Magnesium nitride (Mg3N2) Magnesium phosphide (Mg3P2) Zinc phosphide (Zn3P2) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following fuels causes minimum environmental pollution? Hydrogen Diesel Kerosene Coal Hydrogen Diesel Kerosene Coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry The least preferred technique in the disposal of Municipal Solid Waste is Bricketting Incineration Land filling Composting Bricketting Incineration Land filling Composting ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contributes largely to the ‘green house effect’ ? Ozone Carbon dioxide Carbon monoxide Water vapour Ozone Carbon dioxide Carbon monoxide Water vapour ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone saves the biosphere by absorbing high energy radiations called ________ . X–rays Ultraviolet rays (UV) Gamma rays Infra-red (IR) X–rays Ultraviolet rays (UV) Gamma rays Infra-red (IR) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following minerals is found in pure form? Manganese Bauxite Iron Copper Manganese Bauxite Iron Copper ANSWER DOWNLOAD EXAMIANS APP
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