Chemistry What particles move around the nucleus of an atom and are negatively charged? Electrons Protons Neutrons Positrons Electrons Protons Neutrons Positrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The polymer used in making plastic crockery is Decron Melamine Nylon Bakelite Decron Melamine Nylon Bakelite 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 Which of the following is not a chemical reaction'? Burning of paper Conversion of water into steam Digestion of food Burning of coal Burning of paper Conversion of water into steam Digestion of food Burning of coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer is present in Exosphere Troposphere Stratosphere Ionosphere Exosphere Troposphere Stratosphere Ionosphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commonly used antiseptic 'Dettol' is a mixture of Phenol + terepineol O-cresol + terepineol Chloroxylenol + terepineol O-chlorophenoxylenol + terepineol Phenol + terepineol O-cresol + terepineol Chloroxylenol + terepineol O-chlorophenoxylenol + terepineol ANSWER DOWNLOAD EXAMIANS APP
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