Chemistry Atomic number of an atom gives the number of which of the following ? Protons Neutrons Neutrons and protons Electrons Protons Neutrons Neutrons and protons Electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry In addition to hydrogen, the other abundant element present on Sun’s surface is Helium Oxygen Neon Argon Helium Oxygen Neon Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry What happens when a drop of glycerol is added to crushed KMnO4 spread on a paper ? There is a crackling sound The paper ignites There is no reaction. There is a violent explosion. There is a crackling sound The paper ignites There is no reaction. There is a violent explosion. ANSWER DOWNLOAD EXAMIANS APP
Chemistry The influence of temperature on reaction rate is predicted by Arrhenius equation Kirchhoff's equation Van der Waals equation Lewis equation Arrhenius equation Kirchhoff's equation Van der Waals equation Lewis equation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass gets discoloured in air due to constant exposure in presence of: Aluminium phosphide Aluminium sulphide Hydrogenated wafers Hydrogen sulphide Aluminium phosphide Aluminium sulphide Hydrogenated wafers Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The next higher homologue of C6H14 is C7H12 C6H12 C7H14 C7H16 C7H12 C6H12 C7H14 C7H16 ANSWER DOWNLOAD EXAMIANS APP
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