Chemistry Rusting of iron takes place due to Oxidation Corrosion Exfoliation Carbonation Oxidation Corrosion Exfoliation Carbonation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Maximum permissible concentration of total hardness in drinking water is 500 100 50 200 500 100 50 200 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The length of double bond is _______ than single bond Of same lenght Longer None of these Shorter Of same lenght Longer None of these Shorter ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the covalency of nitrogen in ammonia molecule 2 4 5 3 2 4 5 3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The iron ore which contains 72% of iron is : Siderite Haematite Magnetite Limonite Siderite Haematite Magnetite Limonite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Total number of naturally occurring elements 98 110 92 62 98 110 92 62 ANSWER DOWNLOAD EXAMIANS APP
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