Chemistry Silicon is used in Semiconductors Transistors All of these Solar energy devices Semiconductors Transistors All of these Solar energy devices ANSWER DOWNLOAD EXAMIANS APP
Chemistry Where does the oxygen that keeps us alive come from? Water Carbonates absorbed from soil Carbon dioxide Oxides of minerals Water Carbonates absorbed from soil Carbon dioxide Oxides of minerals ANSWER DOWNLOAD EXAMIANS APP
Chemistry In an oxygen molecule, two atoms are united by Three bonds Two bonds Four bonds One bond Three bonds Two bonds Four bonds One bond ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following laser types is used in a laser printer? Excimer laser Semiconductor laser Gas laser Dye laser Excimer laser Semiconductor laser Gas laser Dye laser ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most extensive, commercially useful source of thorium as monazite sand occurs in India at West Bengal coast Travancore coast Gujarat coast Orissa coast West Bengal coast Travancore coast Gujarat coast Orissa coast ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is liquid non-metal ? Alcohol Mercury Bromine Water Alcohol Mercury Bromine Water ANSWER DOWNLOAD EXAMIANS APP