Chemistry How many electrons in a Hydrogen atom Two One Four Three Two One Four Three ANSWER DOWNLOAD EXAMIANS APP
Chemistry Total number of elements in the Periodic table 115 118 127 112 115 118 127 112 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Normal rainwater is slightly acidic due to the presence of Carbon dioxide Sulphur dioxide Methane None of these Carbon dioxide Sulphur dioxide Methane None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vulcanization of rubber is carried out by adding Carbon Sulphur Phosphorus Ozone Carbon Sulphur Phosphorus Ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry The elements in the modern Periodic table are arranged according to their Atomic Weight Mass number Atomic number Neutron number Atomic Weight Mass number Atomic number Neutron number ANSWER DOWNLOAD EXAMIANS APP
Chemistry PH value between 6.5-7.5 makes the soil None of these Neutral Acidic Basic None of these Neutral Acidic Basic ANSWER DOWNLOAD EXAMIANS APP
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