Chemistry Which one of the following group of gases contributes to the 'Green House Effect'? Ammonia and Ozone Carbon dioxide and Methane Carbon monoxide and Sulphur dioxide Carbon tetraflouride and Nitrous oxide Ammonia and Ozone Carbon dioxide and Methane Carbon monoxide and Sulphur dioxide Carbon tetraflouride and Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Poison used for killing rats is Magnesium phosphide (Mg3P2) Calcium phosphide (Ca3P2) Magnesium nitride (Mg3N2) Zinc phosphide (Zn3P2) Magnesium phosphide (Mg3P2) Calcium phosphide (Ca3P2) Magnesium nitride (Mg3N2) Zinc phosphide (Zn3P2) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Denatured spirit is ethanol mixed with Petrol Water Pyridine Kerosene Petrol Water Pyridine Kerosene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atoms of different elements have Different atomic number and different number of valence electrons Same number of electrons and neutrons Different atomic number and same eletronic configu-ration Same atomic number and same electronic configuration Different atomic number and different number of valence electrons Same number of electrons and neutrons Different atomic number and same eletronic configu-ration Same atomic number and same electronic configuration ANSWER DOWNLOAD EXAMIANS APP
Chemistry What particles move around the nucleus of an atom and are negatively charged? Electrons Positrons Protons Neutrons Electrons Positrons Protons Neutrons ANSWER DOWNLOAD EXAMIANS APP
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