Who discovered the neutrons?

Which of the following is a primary pollutant?

What is the function of the liver in the human body?

A photon of energy 3 eV collides with a metal having a work function of 2 eV. Kinetic energy of the emitted electron is:

A positively charged particle enters a uniform electric field directed downward. The force acting on the particle is:

A transformer cannot work on:

Bakelite is a polymer which is used in the manufacturing of buckets and electrical switches. What are the monomers of bakelite?

Which planet is the largest in the solar system?

Which colour is the complementary colour of yellow?