Bleaching powder is made from 1 Sulphur dioxide and gypsum 2 Chlorine and charcoal 3 Soda ash and lilme 4 Lime and chlorine
2 12478The two elements that are frequently used for making transistors are 1 Boron and aluminium 2 Silicon and germanium 3 Iridium and tungsten 4 Niobium and columbium
2 18400Which of the following gases is not known as green house gas? 1 Carbon dioxide 2 Methane 3 Nitruous oxide 4 Hydrogen
4 22067Which of the following is not a neutral oxide? 1 Carbon monoxide 2 Sulphur dioxide 3 Nitric oxide 4 Water
1 6656Titanium is purified by 1 Zone refining 2 Electrolysis 3 Van Arkel method 4 Hydraulic washing
4 10965Which of the following is used in making smoke bombs? 1 Sulphur 2 phosphorus 3 Hydrogen 4 Carbon
1 5588Which of the following is not a bleaching agent? 1 Sulphur dioxide 2 Carbon dioxide 3 Sodium hypochlorite 4 Chlorine
1 11789The gas usually filled in the eletric h\bulb is 1 Hydrogen 2 Oxygen 3 Nitrogen 4 Carbon dioxide
2 3671Post New General Science Questions
what would be the fate of life on earth 10 yrs down the lane.
In modern science, what is 'fourth dimension'?
Where is the biggest solar telescope in india situated?
what the defference from anti virus and spyware and adware also? Please descript?
What is the capacity of arihant’s atomic reactor?
Which comet collided with jupiter?
is the big bang theory correct, because as I wondered the explosion is too powerful that no one could survive after galaxies were created no life exist on it after the 3.5 billion years life exist so... my question is were is the life came from?
When was the atomic energy regulatory board ( aerb ) constituted?
What are comets?
What is the significance of international geo - physical year?
What are quasars?
Who developed primary blue print programme?
How does a RCCB work? Difference between ELCB & RCCB?
Who invented telescope?
meron po bang minerals ang astoroids po ba?