The method of zone refining of metals is based on the principle of greater the solubility of the impurity in the molten state than in the solid state.... View Article
Which of the following pair of organelles does not contain DNA? Chloroplast and vacuoles Lysosomes and vacuoles Mitochondria and lysosomes... View Article
Bal Gangadhar Tilak in 1881 founded a newspaper named kesari which was used as a mouthpiece for the Indian national freedom movement. In which... View Article
The convex mirror is used? as a rear view mirror in vehicles for shaving by a dentist as a light reflector for obtaining a parallel beam of... View Article
An intrinsic semiconductor at the absolute zero temperature? has a large number of electrons behaves like a metallic conductor behaves like... View Article