Chemistry The organic reaction represented by equation CH3 - CH = O + H2NOH gives CH3 - CH - NH + H2O is an example of an elimination reaction an addition reaction a condensation reaction an oxidation reaction an elimination reaction an addition reaction a condensation reaction an oxidation reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry The components of water can be separated by They can not be separated Both A and B Chemical methods Physical methods They can not be separated Both A and B Chemical methods Physical methods ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atoms of different elements have Same number of electrons and neutrons Different atomic number and different number of valence electrons Same atomic number and same electronic configuration Different atomic number and same eletronic configu-ration Same number of electrons and neutrons Different atomic number and different number of valence electrons Same atomic number and same electronic configuration Different atomic number and same eletronic configu-ration ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the correct sequence of countries in terms of maximum carbon dioxide emission? European Union, China, USA, India USA, India, China, European Union China, USA, European Union, India China, India, European Union, USA European Union, China, USA, India USA, India, China, European Union China, USA, European Union, India China, India, European Union, USA ANSWER DOWNLOAD EXAMIANS APP
Chemistry 0.01 mole of NaOH is added to 10 liters of water. The pH of water changes by 4 7 6 3 4 7 6 3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The green colour seen in firework displays is due to the chloride salt of : Calcium Sodium Barium Strontium Calcium Sodium Barium Strontium ANSWER DOWNLOAD EXAMIANS APP
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