Chemistry The most abundant element by number in the living system is : Hydrogen Oxygen Carbon Nitrogen Hydrogen Oxygen Carbon Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is a covalent compound ? Calcium chloride Carbon tetrachloride Magnesium fluoride Sodium chloride Calcium chloride Carbon tetrachloride Magnesium fluoride Sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the element required for solar energy conversion ? Tantalum Ultra pure carbon Beryllium Silicon Tantalum Ultra pure carbon Beryllium Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used for making aircrafts and rockets is Aluminium Lead Nickel Copper Aluminium Lead Nickel Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a bond is formed between two atoms, the energy of the system will Decrease Increase May increase or decrease Remain the same Decrease Increase May increase or decrease Remain the same ANSWER DOWNLOAD EXAMIANS APP
Chemistry The National Chemical Laboratory is situated in Pune New Delhi Patna Bangalore Pune New Delhi Patna Bangalore ANSWER DOWNLOAD EXAMIANS APP