What is the Nutrition ?1 2217
what is the smallest fish?3 3307
neel armstrong belongs to which country ?1 2581
The filament of an electric bulb is made of 1 Iron 2 Nichrome 3 tungsten 4 Graphite9 27566
Bleaching powder is made from 1 Sulphur dioxide and gypsum 2 Chlorine and charcoal 3 Soda ash and lilme 4 Lime and chlorine2 12478
The 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 columbium2 18400
Which of the following gases is not known as green house gas? 1 Carbon dioxide 2 Methane 3 Nitruous oxide 4 Hydrogen4 22067
Which of the following is not a neutral oxide? 1 Carbon monoxide 2 Sulphur dioxide 3 Nitric oxide 4 Water1 6656
Titanium is purified by 1 Zone refining 2 Electrolysis 3 Van Arkel method 4 Hydraulic washing4 10965
Which of the following is used in making smoke bombs? 1 Sulphur 2 phosphorus 3 Hydrogen 4 Carbon1 5588
Caustic soda is 1 NaC1 2 Na2CO3 3 NaOH 4 NaHCO34 3767
Chemical formula for water glass is 1 Na2Sio3 2 Al2O3 3 NaA1O2 4 CaSiO33 12619
Which of the following is not a bleaching agent? 1 Sulphur dioxide 2 Carbon dioxide 3 Sodium hypochlorite 4 Chlorine1 11789
The gas usually filled in the eletric h\bulb is 1 Hydrogen 2 Oxygen 3 Nitrogen 4 Carbon dioxide2 3671
Heavy water is 1 Tritium oxide 2 Deuterium oxide 3 Rain water 4 None of these2 3182
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?