Chemical Process Pick out the wrong statement pertaining to the properties of glasses. Glasses generally have High electrical insulation properties Compressive strength much greater than their tensile strengths Sharp melting points Low co-efficient of thermal expansion High electrical insulation properties Compressive strength much greater than their tensile strengths Sharp melting points Low co-efficient of thermal expansion ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Molecular weights of polymers are in the range of 10⁵ - 10⁹ 10⁹ - 10¹¹ 10² - 10² 10² - 10⁷ 10⁵ - 10⁹ 10⁹ - 10¹¹ 10² - 10² 10² - 10⁷ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Main constituents of portland cement are calcium aluminate and Silicates Gypsum Carbonates Sodium silicate Silicates Gypsum Carbonates Sodium silicate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Mineral oils (e.g. petroleum oils) are preferred over fatty oils (e.g. mustard oil, ghee, tallow, palm oil, olive oil etc.) as a lubricant due to its Hydrolysis tendency in presence of water All of these Greater tendency of decomposition at elevated temperature Poor oxidation stability and high gum forming tendency Hydrolysis tendency in presence of water All of these Greater tendency of decomposition at elevated temperature Poor oxidation stability and high gum forming tendency ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Deacon's method is used for the manufacture of Graphite electrode Chlorine Common salt Glauber's salt Graphite electrode Chlorine Common salt Glauber's salt ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Chlorine gas is produced by the electrolysis of brine (NaCl solution with solid NaCl make up) in mercury electrolytic cell. Which of the following is the anodic reaction? Reduction of Na+ ions Oxidation of Na+ ions Oxidation of Cl- ions Reduction of Cl- ions Reduction of Na+ ions Oxidation of Na+ ions Oxidation of Cl- ions Reduction of Cl- ions ANSWER DOWNLOAD EXAMIANS APP