An atom of an element with mass number 23 and atomic number
11 will have
1 11 neutrons, 12 protons and 11 electrons
2 11 protons, 12 neutrons and 11 electrons
3 11 neutrons, 11 protons and 12 electrons
4 23 protons and 11 electrons
What are quasars?
In which year, physical laboratory in ahmedabad was founded?
The final products of combustion of ethane are 1 Carbon and oxygen 2 Ethylene and Hydrogen 3 Water and Carbon monoxide 4 Carbon dioxide and water
The filament of an electric bulb is made of 1 Iron 2 Nichrome 3 tungsten 4 Graphite
9 Answers Germanium, Google, Graphite India, Tungsten,
how the Adams bridge was formed?
The element required for solar energy conversion is 1 Germanium 2 Silicon 3 Uranium 4 None of these
What is the Respiration ?
Which of the following is used as a filler in rubber tyres? 1 Graphite 2 Coal 3 Coke 4 Corbon black
What is balanced diet? Give the everyday diet of a normal man.
Which isotope of Uranium is capable of sustaining chain reaction ?
The chemical used as a ‘fixer’ in photography is 1 Borax 2 Sodium thiosulphate 3 Sodium sulphate 4 Ammonium persulphate
What is practical frequency. ? How create a frequency band?