Chemistry Polythene is polymer of Propylene Ethylene Acetylene Aniline Propylene Ethylene Acetylene Aniline ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer of atmosphere absorbs: Ultraviolet rays All radiations of Light Cosmic rays. Infra-red rays Ultraviolet rays All radiations of Light Cosmic rays. Infra-red rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry The coloured discharge tubes for advertisement mainly contain Helium Xenon Argon Neon Helium Xenon Argon Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atomic number of an atom gives the number of which of the following ? Electrons Neutrons Neutrons and protons Protons Electrons Neutrons Neutrons and protons Protons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sour taste of lemon is due to the presence of which of the following ? Formic acid Citric acid Oxalic acid Acetic acid Formic acid Citric acid Oxalic acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Carborundum is another name of Calcium carbide Silicon carbide Calcium oxide Silicon oxide Calcium carbide Silicon carbide Calcium oxide Silicon oxide ANSWER DOWNLOAD EXAMIANS APP