Chemistry The antiparticle of an electron is Positron Beta particles Proton Alpha particles Positron Beta particles Proton Alpha particles ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ‘Green House effect’ is produced due to the presence of excess amount of Sulphur dioxide Methane Carbon monoxide Nitrogen dioxide Sulphur dioxide Methane Carbon monoxide Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main constituent of biogas is Acetic acid Methyl alcohol Methane Oxygen Acetic acid Methyl alcohol Methane Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element with highest first ionisation energy is Lithium Helium Hydrogen Sodium Lithium Helium Hydrogen Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mineral containing both magnesium and calcium is carnallite calcite magnesite dolomite carnallite calcite magnesite dolomite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following compounds is commonly used as an antiseptic in mouthwashes and toothpastes ? Borax Sodium chloride Hydrogen peroxide Saltpetre Borax Sodium chloride Hydrogen peroxide Saltpetre ANSWER DOWNLOAD EXAMIANS APP
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