Of the various forms of carbon, the one which is used for
adsorption purpose, is
1 Diamond
2 Graphite
3 Coke
4 Wood charcoal
When a person sends a message to someone with the Internet, there are steps that happen to the recipient to receive the message. How does the recipient know that the message was not edited by someone else?
What is range of sagarika?
An element that does not occur in nature but can be produced artificially is 1 Thorium 2 Radium 3 Plutonium 4 Uranium
How long can arihant stay underwater?
When an iron nail gets rusted, iron oxide is formed 1 Without any change in the weight of the nail 2 With increase in the weight of the nail 3 With decrease in the weight of the nail 4 None of these
What is balanced diet? Give the everyday diet of a normal man.
Which of the following is the best conductor of electricity? 1 Zinc 2 Copper 3 Gold 4 Silver
A super conductor is characterized by 1 Zero permeability 2 Low permeability 3 High permeability 4 Infinite permeability
What are the important factors of cosmic rays?
According to Dalton’s atomic theory, the smallest particle which can exist independently is 1 An atom 2 A molecule 3 A cation 4 An anion
Which of the following is used in making smoke bombs? 1 Sulphur 2 phosphorus 3 Hydrogen 4 Carbon
Which isotope of Uranium is capable of sustaining chain reaction ?