Chemistry Silicon is used in All of these Transistors Semiconductors Solar energy devices All of these Transistors Semiconductors Solar energy devices ANSWER DOWNLOAD EXAMIANS APP
Chemistry An element of atomic no. 29 belongs to P-block D-block F-block S-block P-block D-block F-block S-block ANSWER DOWNLOAD EXAMIANS APP
Chemistry Antacids are found in drugs that give relief to Stomach ache Headache Eye sight Acne Stomach ache Headache Eye sight Acne ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the naturally occuring heaviest element Mercury Thorium Uranium Protactinium Mercury Thorium Uranium Protactinium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used for dating very old objects of archaeological importance? Tritium Radium Carbon-14 Phosphorus-31 Tritium Radium Carbon-14 Phosphorus-31 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Poison used for killing rats is Magnesium phosphide (Mg3P2) Magnesium nitride (Mg3N2) Calcium phosphide (Ca3P2) Zinc phosphide (Zn3P2) Magnesium phosphide (Mg3P2) Magnesium nitride (Mg3N2) Calcium phosphide (Ca3P2) Zinc phosphide (Zn3P2) ANSWER DOWNLOAD EXAMIANS APP