Chemistry The element used for making solar cells is Calcium Silicon Sodium Magnesium Calcium Silicon Sodium Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Haloarenes are more stable than haloalkanes due to Hyper conjugative effect Inductive effect All of them Resonance effect Hyper conjugative effect Inductive effect All of them Resonance effect ANSWER DOWNLOAD EXAMIANS APP
Chemistry Formation of ozone hole is maximum over India Europe Africa Antarctica India Europe Africa Antarctica ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most commonly used substance in fluorescent tubes? Sodium oxide and argon Mercury oxide and neon Mercury vapour and argon Sodium vapour and neon Sodium oxide and argon Mercury oxide and neon Mercury vapour and argon Sodium vapour and neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to increase the anti-knocking property of petrol ? Tetraethyl lead Tetramethyl lead Trimethyl lead Triethyl lead Tetraethyl lead Tetramethyl lead Trimethyl lead Triethyl lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The coordination number of body centered atom in cubic structure is 10 8 6 4 10 8 6 4 ANSWER DOWNLOAD EXAMIANS APP