Chemistry Which metal is the heaviest in periodic table among the following ? Pt Os W Pb Pt Os W Pb ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the purest form of iron? Wrought iron Pig iron Cast iron Steel Wrought iron Pig iron Cast iron Steel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Air shows the property of None of these Both A and B N2 O2 None of these Both A and B N2 O2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a bond is formed between two atoms, the energy of the system will May increase or decrease Remain the same Decrease Increase May increase or decrease Remain the same Decrease Increase ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used for dating very old objects of archaeological importance? Radium Phosphorus-31 Carbon-14 Tritium Radium Phosphorus-31 Carbon-14 Tritium ANSWER DOWNLOAD EXAMIANS APP