Chemical Process Vulcanisation of rubber Decreases its tensile strength Increases its oil & solvent resistance Increases its ozone & oxygen reactivity Converts its plasticity into elasticity Decreases its tensile strength Increases its oil & solvent resistance Increases its ozone & oxygen reactivity Converts its plasticity into elasticity ANSWER DOWNLOAD EXAMIANS APP
Chemical Process A mineral is termed as 'ore', if The metal present in it is costly All of these It contains ≥ 40% metal A metal can be economically extracted from it The metal present in it is costly All of these It contains ≥ 40% metal A metal can be economically extracted from it ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Grignard reagent is chemically known as Ethyl magnesium chloride Methyl magnesium chloride Monochloro acetic acid Dichlorophenol Ethyl magnesium chloride Methyl magnesium chloride Monochloro acetic acid Dichlorophenol ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Laboratory glass wares which reacts with hydroflouric acid, are made of the __________ glass. Lead Alkali silicate Soda lime Borosilicate Lead Alkali silicate Soda lime Borosilicate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Salt cake is chemically represented by MgSO₄ CaSO₄.1/2 H₂O BaSO₄ Na₂SO₄ MgSO₄ CaSO₄.1/2 H₂O BaSO₄ Na₂SO₄ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Prussian blue is chemically represented by Fe₄ [Fe (CN₆)₃] AlF₃ . 3NaF FeO.TiO₂ Ca SO₄ . 2H₂O Fe₄ [Fe (CN₆)₃] AlF₃ . 3NaF FeO.TiO₂ Ca SO₄ . 2H₂O ANSWER DOWNLOAD EXAMIANS APP
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