Chemistry Combustion of a candle is a/an Exothermic reaction Photochemical reaction Physical change Endothermic reaction Exothermic reaction Photochemical reaction Physical change Endothermic reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is abundant in Gobar gas? Methane Carbon dioxide Oxygen Hydrogen Methane Carbon dioxide Oxygen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Soldering of two metals is possible because of the property of : Surface tension Osmosis Cohesion Viscosity Surface tension Osmosis Cohesion Viscosity ANSWER DOWNLOAD EXAMIANS APP
Chemistry How many electrons can be accommodated in d-orbital 6 10 8 3 6 10 8 3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound to which H2 does not add is Tetraphenyl ethylene Biphenyl ethylene Tetra – a –naphthylethylene Tetra –9 – phenanthrylethylene Tetraphenyl ethylene Biphenyl ethylene Tetra – a –naphthylethylene Tetra –9 – phenanthrylethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is most electronegative Lead Silicon Carbon Tin Lead Silicon Carbon Tin ANSWER DOWNLOAD EXAMIANS APP
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