Chemistry The metal used for making aircrafts and rockets is Aluminium Nickel Copper Lead Aluminium Nickel Copper Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass gets discoloured in air due to constant exposure in presence of: Hydrogenated wafers Aluminium phosphide Hydrogen sulphide Aluminium sulphide Hydrogenated wafers Aluminium phosphide Hydrogen sulphide Aluminium sulphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the simplest form of alkane Butane Propane Methane Decane Butane Propane Methane Decane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The function of skimming tank in sewage treatment is to remove Inorganic substances Suspended solids Gritty substances Oil and fatty substances Inorganic substances Suspended solids Gritty substances Oil and fatty substances ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is filled in ballons because It is lighter than air It is one of the constitutents of water Its atomic number is 2 It is a noble gas It is lighter than air It is one of the constitutents of water Its atomic number is 2 It is a noble gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a nucleon? Neutron Positron Proton Electron Neutron Positron Proton Electron ANSWER DOWNLOAD EXAMIANS APP