Chemistry The resources which can be used continuously, year-after -year are called Biotic Non-renewable Renewable Abiotic Biotic Non-renewable Renewable Abiotic ANSWER DOWNLOAD EXAMIANS APP
Chemistry The total energy of revolving electron in an atom Will always be positive Cannot be negative Can have any value above zero Can never be positive Will always be positive Cannot be negative Can have any value above zero Can never be positive ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to increase the anti-knocking property of petrol ? Triethyl lead Trimethyl lead Tetraethyl lead Tetramethyl lead Triethyl lead Trimethyl lead Tetraethyl lead Tetramethyl lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element used for making solar cells is Silicon Sodium Magnesium Calcium Silicon Sodium Magnesium Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atomic number is the number equal to Electrons Neutrons Protons None of these Electrons Neutrons Protons None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first metal used by a man was Silver Copper Bronze Brass Silver Copper Bronze Brass ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS