Chemistry Most poisonous pollutant in water is Zinc Phosphate Detergent Arsenic Zinc Phosphate Detergent Arsenic ANSWER DOWNLOAD EXAMIANS APP
Chemistry In surgery, metal pins are used for joining together broken bones. These metal pins remain uncorroded in the body. What is the material of these pins? Copper Iron Titanium Aluminium Copper Iron Titanium Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Detergents clean surfaces on the principle of Elasticity Floatation Surface tension Viscosity Elasticity Floatation Surface tension Viscosity ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of hydrogen bonds between guanine and cytosine in DNA is 2 3 1 4 2 3 1 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that causes suffocation and death when coal or coke is burnt in a closed room is Carbon monoxide Methane Carbon di-oxide Ethane Carbon monoxide Methane Carbon di-oxide Ethane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as non-stick coating for cooking utensils? Polystyrene Styrofoam Perspex Teflon Polystyrene Styrofoam Perspex Teflon ANSWER DOWNLOAD EXAMIANS APP
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