Chemistry Which of the following is used to increase the anti-knocking property of petrol ? Tetraethyl lead Triethyl lead Tetramethyl lead Trimethyl lead Tetraethyl lead Triethyl lead Tetramethyl lead Trimethyl lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry When lime juice is dropped on baking soda, brisk effervescence takes place because the gas evolved is All of them Hydrogen Carbon dioxide Oxygen All of them Hydrogen Carbon dioxide Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver nitrate solution is kept in brown bottles in laboratory because Brown bottles do not react with it Brown bottles react with it Brown bottles stops the passage of light through it It reacts with ordinary white bottles Brown bottles do not react with it Brown bottles react with it Brown bottles stops the passage of light through it It reacts with ordinary white bottles ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who is known as the 'father of modern chemistry' Democritus Antoine Lavoisier John Dalton Robert Boyle Democritus Antoine Lavoisier John Dalton Robert Boyle ANSWER DOWNLOAD EXAMIANS APP
Chemistry Muscle fatigue is caused by the accumulation of : Pyruvic acid Oxalacetic acid Uric acid Lactic acid Pyruvic acid Oxalacetic acid Uric acid Lactic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry One of the constituents of tear gas is Ethane Ether Ethanol Chloropicrin Ethane Ether Ethanol Chloropicrin ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS