The gases used in different types of welding would include
1 Oxygen and hydrogen
2 Oxygen, acetylene and argon
3 Oxygen and acetylene
4 None of these
The chemical (ethyl merceptan) added to the otherwise odorless LPG cooking gas for imparting a detectable smell to the gas is a compound of 1 Sulphur 2 Fluorine 3 Chlorine 4 Bromine
The location and energy of an electron in an atom can be specified by 1 Atomic mass 2 Atomic number 3 Quantum numbers 4 None of these
define cartography?
The country helped in arihant’s built?
Which of the following is not a chemical reaction? 1 Burning of paper 2 Digestion of food 3 Conversion of water into steam 4 Burning of coal
What is the morphology ?
What is balanced diet? Give the everyday diet of a normal man.
What is blood ? Describe its functions in the human body ?
Who is the chairman od atomic energy commission of india?
Which is india’s primary nuclear facility?
how the Adams bridge was formed?
What is one light year?