Materials and Construction Hydrochloric acid is __________ corrosive to common metals. Mildly Least Not Highly Mildly Least Not Highly ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Specify the material of construction suitable for handling concentrated HNO₃ at 100°C. High silicon iron, Kel-F and teflon Silicone rubber Tin and wood Stainless steel High silicon iron, Kel-F and teflon Silicone rubber Tin and wood Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Duriron is All of these Prone to breakage due to thermal expansion because of its very high co-efficient of thermal expansion Acid resistant, brittle and very hard High silicon iron All of these Prone to breakage due to thermal expansion because of its very high co-efficient of thermal expansion Acid resistant, brittle and very hard High silicon iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Photographic plates are coated with Metallic silver Silver nitrate Silver halide Calcium silicate Metallic silver Silver nitrate Silver halide Calcium silicate ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Copper is dissolved from its ore by H₂SO₄ in a percolation tank made of Reinforced concrete lined with lead High silicon iron (14% Si) Stainless steel Wood Reinforced concrete lined with lead High silicon iron (14% Si) Stainless steel Wood ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Residual magnetism in steel for magnets is increased by the addition of Nickel Cobalt Tungsten Chromium Nickel Cobalt Tungsten Chromium ANSWER DOWNLOAD EXAMIANS APP
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