Chemistry The coating of a thin layer of zinc on steel or iron objects is known as Tinning Galvanising Electroplating Hot dipping Tinning Galvanising Electroplating Hot dipping ANSWER DOWNLOAD EXAMIANS APP
Chemistry High concentration hydrocarbon pollutants in atmospheric air causes Reduced crop yield Silicosis Cancer Respiratory diseases (e.g.asthma) Reduced crop yield Silicosis Cancer Respiratory diseases (e.g.asthma) ANSWER DOWNLOAD EXAMIANS APP
Chemistry In a Carbonyl group a carbon atom makes double bond with None of these Hydrogen Carbon Oxygen None of these Hydrogen Carbon Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a bond is formed between two atoms, the energy of the system will Remain the same Decrease Increase May increase or decrease Remain the same Decrease Increase May increase or decrease ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamonds are glittering and attractive because light incident on them undergoes Hundred percent transmission Highest refraction Multiple internal reflections Multiple surface reflections Hundred percent transmission Highest refraction Multiple internal reflections Multiple surface reflections ANSWER DOWNLOAD EXAMIANS APP
Chemistry In a period from Li to F, ionisation potential Increases Cannot be predicted Remains same Decreases Increases Cannot be predicted Remains same Decreases ANSWER DOWNLOAD EXAMIANS APP
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