Chemistry Which is the heaviest metal among the following? Gold Silver Copper Iron Gold Silver Copper Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Baking soda is : Sodium hydroxide Sodium bicarbonate Sodium carbonate Potassium carbonate Sodium hydroxide Sodium bicarbonate Sodium carbonate Potassium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main buffer system of the human blood is H2CO3 - HCO3 H2CO3 - CO32- NH2CONH2 - NH2CONH+ CH3COOH - CH3COO- H2CO3 - HCO3 H2CO3 - CO32- NH2CONH2 - NH2CONH+ CH3COOH - CH3COO- ANSWER DOWNLOAD EXAMIANS APP
Chemistry Coal is formed from Crude oil Compressed and hardened biomass Coke Deposit of animal waste Crude oil Compressed and hardened biomass Coke Deposit of animal waste ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mercury is emitted into air by Burning garbage Steam engine Burning coal Coal fire Burning garbage Steam engine Burning coal Coal fire ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atomic number is the number equal to Neutrons None of these Electrons Protons Neutrons None of these Electrons Protons ANSWER DOWNLOAD EXAMIANS APP