Chemistry Which of the following is very reactive and kept in kerosene? Potassium Sodium Bromine Iodine Potassium Sodium Bromine Iodine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main constituent of natural gas is Butane Methane Ethane Propane Butane Methane Ethane Propane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Normal rainwater is slightly acidic due to the presence of Carbon dioxide Sulphur dioxide None of these Methane Carbon dioxide Sulphur dioxide None of these Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry An atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is 36 17 53 19 36 17 53 19 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant inert gas in the atmosphere is Krypton Neon Argon Helium Krypton Neon Argon Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the purest form of iron? Wrought iron Pig iron Steel Cast iron Wrought iron Pig iron Steel Cast iron ANSWER DOWNLOAD EXAMIANS APP
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