Building Materials In the method of condensation polymerization, Low-molecular substances are removed from the high molecular substance All of these The reaction proceeds with an evolution of ammonia The reaction proceeds with an evolution of hydrogen chloride Low-molecular substances are removed from the high molecular substance All of these The reaction proceeds with an evolution of ammonia The reaction proceeds with an evolution of hydrogen chloride ANSWER DOWNLOAD EXAMIANS APP
Building Materials The cast iron when heated to red heat with powdered red haematite in an oven for increasing its toughness, is converted to White cast iron Grey cast iron Mottled cast iron Toughed cast iron White cast iron Grey cast iron Mottled cast iron Toughed cast iron ANSWER DOWNLOAD EXAMIANS APP
Building Materials Kaolin is chemically classified as Argillaceous rock Metamorphic rock Calcareous rock Siliceous rock Argillaceous rock Metamorphic rock Calcareous rock Siliceous rock ANSWER DOWNLOAD EXAMIANS APP
Building Materials For obtaining vinyl chloride acetate, the method used, is Addition polymerization Condensation polymerization Co-polymerization None of these Addition polymerization Condensation polymerization Co-polymerization None of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials The size of mould for bricks, is generally kept Equal to specified size 10% larger than specified size A little large to specified size A little small to specified size Equal to specified size 10% larger than specified size A little large to specified size A little small to specified size ANSWER DOWNLOAD EXAMIANS APP
Building Materials Wrought iron is manufactured from pig iron by Shingling Refining Pudding All of these Shingling Refining Pudding All of these ANSWER DOWNLOAD EXAMIANS APP