Chemistry Which of the following is used for refrigeration? Phosphine Chlorine Sulphur dioxide Freon Phosphine Chlorine Sulphur dioxide Freon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas produced in marshy places due to decomposition of vegetation is Carbon monoxide Methane Carbon dioxide Sulphur dioxide Carbon monoxide Methane Carbon dioxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound to which H2 does not add is Biphenyl ethylene Tetra – a –naphthylethylene Tetraphenyl ethylene Tetra –9 – phenanthrylethylene Biphenyl ethylene Tetra – a –naphthylethylene Tetraphenyl ethylene Tetra –9 – phenanthrylethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Zone refining is used for the purification of Cu Ag Ge Au Cu Ag Ge Au ANSWER DOWNLOAD EXAMIANS APP
Chemistry The maximum number of covalent formed by nitrogen is 3 1 2 4 3 1 2 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry An emulsion is a colloid of a Liquid in a liquid Gas in a solid Liquid in a gas Gas in a liquid Liquid in a liquid Gas in a solid Liquid in a gas Gas in a liquid ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS