Chemical Process Blue colour is imparted to glass by the addition of NaOH CaO PbO FeSO₄ NaOH CaO PbO FeSO₄ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Enamels Do not contain pigment Are same as varnish Give good glossy finish Are prepared from non-drying oil Do not contain pigment Are same as varnish Give good glossy finish Are prepared from non-drying oil ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the exothermic reaction out of the following: CaC₂ + H₂O = Ca(OH)₂ + C₂H₂ MgCO₃ = MgO + CO₂ C + H₂O = CO + H₂ All of these CaC₂ + H₂O = Ca(OH)₂ + C₂H₂ MgCO₃ = MgO + CO₂ C + H₂O = CO + H₂ All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Function of sodium thiosulphate (hypo) in development of photographic film/plate is to Remove metallic silver Brighten the faint images Remove unexposed silver halide Convert silver chloride to silver Remove metallic silver Brighten the faint images Remove unexposed silver halide Convert silver chloride to silver ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Alkylbenzene sulfonate (ABS) is a Polyester Detergent Rubber Pesticide Polyester Detergent Rubber Pesticide ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Permanent hardness of water can be removed by Adding alum All of these Simply boiling Passing it through cation & anion exchangers Adding alum All of these Simply boiling Passing it through cation & anion exchangers ANSWER DOWNLOAD EXAMIANS APP
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