Chemistry Which of the following gases is present under pressure in soft drinks? Oxygen Nitrogen Nitrous oxide Carbon dioxide Oxygen Nitrogen Nitrous oxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who developed the model of atomic structure ? Volta Faraday Alfred Nobel Bohr and Rutherford Volta Faraday Alfred Nobel Bohr and Rutherford ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main constituent of natural gas is Methane Butane Propane Ethane Methane Butane Propane Ethane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The two metal ions that cause hardness to water are: Calcium, Magnesium Sodium, Potassium Sodium, Magnesium Sodium, Calcium Calcium, Magnesium Sodium, Potassium Sodium, Magnesium Sodium, Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mixture can be Pure substance Heterogeneous Both A and B Homogeneous Pure substance Heterogeneous Both A and B Homogeneous ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atoms having the same number of protons but different number of neutrons are called : Anions Higgs-boson Isotopes Cations Anions Higgs-boson Isotopes Cations ANSWER DOWNLOAD EXAMIANS APP
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