Chemistry Which is the purest form of iron? Cast iron Wrought iron Pig iron Steel Cast iron Wrought iron Pig iron Steel ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used for making aircrafts and rockets is Copper Lead Nickel Aluminium Copper Lead Nickel Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The atomic number of carbon is 6 and its atomic mass is 12. How many are there protons in the nucleus of carbon ? Zero 6 12 18 Zero 6 12 18 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Trinitrotoluene is Used as an explosive Used to melt metals Used as an abrasive Used to fuse two metals Used as an explosive Used to melt metals Used as an abrasive Used to fuse two metals ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that usually causes explosions in coal mines is Hydrogen Carbon monoxide Methane Air Hydrogen Carbon monoxide Methane Air ANSWER DOWNLOAD EXAMIANS APP
Chemistry Milk tastes sour when kept in the open for sometime due to the formation of Lactic acid Acetic acid Citric acid Carbonic acid Lactic acid Acetic acid Citric acid Carbonic acid ANSWER DOWNLOAD EXAMIANS APP