What is the function of diethyl amine?
What is iron ore consists of?
Why graphite rod is used in nuclear reactor?
Differentiate between modern periodic table and mendeleevs table?
What is the prime constituents of cement?
What is photoelectric colorimeter?
What is the unit of conductance?
How is hardness of water caused?
How is the accuracy of the method determined?
When a glass rod is heated gradually and suddenly dipped in cold water, it cracks. What is the reason?? When a cool glass rod is suddenly heated, it cracks. Why?
What is buffer?
How many electrons does benzene have?
What forms the basis for colorimetric determination?
What is the role of stannous chloride?
What is density of a liquid?