Which is the sequence of regions of the electromagnetic spectrum? A) Cosmic rays, X-rays, Visible and UV B) Microwave, X-rays, Visible and UV C) UV, Cosmic rays, Microwave, X-rays and Visible D) Visible, UV, X-rays, and Cosmic rays
The mass of a particle is: A) Four item that of H atom B) Four atom the mass of one amu C) Four items 0.166 x 10-26 kg D) All statements are correct
The radioactive isotope used for testing deep-seated cancer growth is? A) I-131 B) P-30 C) Co-60 D) P-32
Hydrolysis reaction of fats with caustic soda is known as? A) Acetylene B) Saponification C) Carboxylation D) Esterification
Which metal is used in thermite process because of its activity? A) Iron B) Copper C) Aluminum D) Zinc