Chemistry What is the element that is in the highest percentage in the composition of the earth ? Iron Magnesium Silicon Oxygen Iron Magnesium Silicon Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material used in solar cells contains Tin Thallium Caesium Silicon Tin Thallium Caesium Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Catalytic converters are generally made from : Alkaline metals Hydrogen Carbon Transition metals Alkaline metals Hydrogen Carbon Transition metals ANSWER DOWNLOAD EXAMIANS APP
Chemistry Poison used for killing rats is Magnesium nitride (Mg3N2) Magnesium phosphide (Mg3P2) Zinc phosphide (Zn3P2) Calcium phosphide (Ca3P2) Magnesium nitride (Mg3N2) Magnesium phosphide (Mg3P2) Zinc phosphide (Zn3P2) Calcium phosphide (Ca3P2) ANSWER DOWNLOAD EXAMIANS APP
Chemistry A substance which readily forms colloidal solution in contact with water is called Extrinsic colloid Hydrophobic colloid Associated colloid Hydrophilic colloid Extrinsic colloid Hydrophobic colloid Associated colloid Hydrophilic colloid ANSWER DOWNLOAD EXAMIANS APP
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