Chemistry The important ore of aluminium is Haematite Cryolite Bauxite Fluorspar Haematite Cryolite Bauxite Fluorspar ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is chiefly present in LPG (Liquefied Petroleum Gas) ? Butane Ethane Propane Methane Butane Ethane Propane Methane 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 ? 12 18 Zero 6 12 18 Zero 6 ANSWER DOWNLOAD EXAMIANS APP
Chemistry What particles move around the nucleus of an atom and are negatively charged? Neutrons Electrons Protons Positrons Neutrons Electrons Protons Positrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the inert gases can form compounds? Krypton Helium Xenon Argon Krypton Helium Xenon Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Polythene is polymer of Acetylene Ethylene Propylene Aniline Acetylene Ethylene Propylene Aniline ANSWER DOWNLOAD EXAMIANS APP