Chemistry The antiparticle of an electron is Alpha particles Beta particles Positron Proton Alpha particles Beta particles Positron Proton ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gold dissolves in Acetic acid Aqua-regia Nitric acid Hydrochloric acid Acetic acid Aqua-regia Nitric acid Hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which type of fire extinguisher is used for petroleum fire ? Foam type Soda acid type None of these Powder type Foam type Soda acid type None of these Powder type ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful Solar infrared radiation SO2 in the air Solar ultraviolet radiation CO2 in the air Solar infrared radiation SO2 in the air Solar ultraviolet radiation CO2 in the air ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a donor atom? Antimony Arsenic Aluminium Phosphorus Antimony Arsenic Aluminium Phosphorus ANSWER DOWNLOAD EXAMIANS APP