Chemistry The reaction intermediate formed during the preparation of diethylether from ethanol by treatment with H2SO4 is Carbocation Carbanion Carbene Free radical Carbocation Carbanion Carbene Free radical ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the correct sequence of countries in terms of maximum carbon dioxide emission? China, USA, European Union, India European Union, China, USA, India USA, India, China, European Union China, India, European Union, USA China, USA, European Union, India European Union, China, USA, India USA, India, China, European Union China, India, European Union, USA ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is filled in ballons because Its atomic number is 2 It is lighter than air It is a noble gas It is one of the constitutents of water Its atomic number is 2 It is lighter than air It is a noble gas It is one of the constitutents of water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Exposure to mixtures of chemicals are greater than expected on the basis of effects of exposure to each chemical individually. This is known as Additives Antagonism Independent Synergism Additives Antagonism Independent Synergism ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the stratosphere is mainly caused by NO Chlorogluorocarbons NO2 SO2 NO Chlorogluorocarbons NO2 SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals pollutes the air of a city having large number of automobiles? Chromium Lead Cadmium Copper Chromium Lead Cadmium Copper ANSWER DOWNLOAD EXAMIANS APP
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