Chemistry The product, 9-nitroanthracene is obtained from anthracene by the action of Nitric acid and acetic anhydride Nitric acid in excess Nitric acid and acetic acid Nitric acid and ethyl alcohol Nitric acid and acetic anhydride Nitric acid in excess Nitric acid and acetic acid Nitric acid and ethyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound to which H2 does not add is Tetra –9 – phenanthrylethylene Tetraphenyl ethylene Biphenyl ethylene Tetra – a –naphthylethylene Tetra –9 – phenanthrylethylene Tetraphenyl ethylene Biphenyl ethylene Tetra – a –naphthylethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material which can be deformed permanently by heat and pressure is called a chemical compound thermoplastic polymer thermoset chemical compound thermoplastic polymer thermoset ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamond is harder than graphite because of : Difference in layers of atoms None of these Tetrahedral structure of diamond Difference of crystalline structures Difference in layers of atoms None of these Tetrahedral structure of diamond Difference of crystalline structures ANSWER DOWNLOAD EXAMIANS APP
Chemistry An emulsifier is an agent which Accelerates the dispersion Stabilises an emulsion Aids the flocculation of an emulsion Homogenises an emulsion Accelerates the dispersion Stabilises an emulsion Aids the flocculation of an emulsion Homogenises an emulsion ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the main compound of voter ink? Silver nitrate Ammonium Nitrate Ammonium Chloride Silver Chloride Silver nitrate Ammonium Nitrate Ammonium Chloride Silver Chloride ANSWER DOWNLOAD EXAMIANS APP
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