A virtual image larger than the object can be obtained by a ________.

The digestive juices present in the stomach helps to digest __________. 

The metal having the least electrical resistance is _________.

If light falls perpendicularly on a plane mirror, what will be the angle in which it will be reflected?

Organelle that aid in storage and secretion of chemical substances is _______.

Seismograph is an instrument used to ________.

The non-metal used in the vulcanization of rubber is ____________.

The deterioration of materials by a chemical reaction with their environment is called _______.