Chemistry Which one of the following is used for dating very old objects of archaeological importance? Radium Tritium Phosphorus-31 Carbon-14 Radium Tritium Phosphorus-31 Carbon-14 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mixture can be Homogeneous Pure substance Heterogeneous Both A and B Homogeneous Pure substance Heterogeneous Both A and B ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemically ‘Quick Silver is known as Silver Copper Mercury Aluminium Silver Copper Mercury Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Physico-chemical characteristics of water in water sources undergo changes due to Aquatic macrophytes Auatic fungi Evapotranspiration Effluents Aquatic macrophytes Auatic fungi Evapotranspiration Effluents 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? Titanium Copper Iron Aluminium Titanium Copper Iron Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element by number in the living system is : Carbon Oxygen Hydrogen Nitrogen Carbon Oxygen Hydrogen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
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