Chemistry Sea water is saltier than rain water because Sea animals are salt producing The air around the sea is saltish Sea beds have salt producing mines Rivers wash away salts from earth and pour them into the sea Sea animals are salt producing The air around the sea is saltish Sea beds have salt producing mines Rivers wash away salts from earth and pour them into the sea 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 Aluminium Copper Iron Titanium Aluminium Copper Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The unit of ionic product of water (Kw) is : Mol2 let-1 Mol-1 let-2 Mol-1 let-1 Mol2 let-2 Mol2 let-1 Mol-1 let-2 Mol-1 let-1 Mol2 let-2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not an addition polymer Polythene Polystyrene PVC Nylon Polythene Polystyrene PVC Nylon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to increase the anti-knocking property of petrol ? Triethyl lead Tetramethyl lead Tetraethyl lead Trimethyl lead Triethyl lead Tetramethyl lead Tetraethyl lead Trimethyl lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Maximum permissible concentration of copper in drinking water in mg/L is 2 0.05 1 0.01 2 0.05 1 0.01 ANSWER DOWNLOAD EXAMIANS APP