Chemistry The antiparticle of an electron is Proton Positron Beta particles Alpha particles Proton Positron Beta particles Alpha particles ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is colourless ? Oxygen Phosphorus Sulphur Chlorine Oxygen Phosphorus Sulphur Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the element that is in the highest percentage in the composition of the earth ? Magnesium Silicon Oxygen Iron Magnesium Silicon Oxygen Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry When iron rusts, its weight First increases and then decreases Decreases Remains the same Increases First increases and then decreases Decreases Remains the same Increases ANSWER DOWNLOAD EXAMIANS APP
Chemistry Spirit in contact with body gives cool sensation because it is : A good conductor Transparent Liquid Highly volatile A good conductor Transparent Liquid Highly volatile ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who first published the periodic table Julius Lothar Meyer John Dalton Henry Moseley Dmitri Mendeleev Julius Lothar Meyer John Dalton Henry Moseley Dmitri Mendeleev ANSWER DOWNLOAD EXAMIANS APP