Bleaching powder is made from 1 Sulphur dioxide and gypsum 2 Chlorine and charcoal 3 Soda ash and lilme 4 Lime and chlorine
2 13616The 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 19685Which of the following gases is not known as green house gas? 1 Carbon dioxide 2 Methane 3 Nitruous oxide 4 Hydrogen
4 24010Which of the following is not a neutral oxide? 1 Carbon monoxide 2 Sulphur dioxide 3 Nitric oxide 4 Water
1 7467Titanium is purified by 1 Zone refining 2 Electrolysis 3 Van Arkel method 4 Hydraulic washing
4 12688Which of the following is used in making smoke bombs? 1 Sulphur 2 phosphorus 3 Hydrogen 4 Carbon
1 6318Which of the following is not a bleaching agent? 1 Sulphur dioxide 2 Carbon dioxide 3 Sodium hypochlorite 4 Chlorine
1 12907The gas usually filled in the eletric h\bulb is 1 Hydrogen 2 Oxygen 3 Nitrogen 4 Carbon dioxide
2 4756Post New General Science Questions
Which of the following metals is a better conductor of electricity? A. Silver B. Copper
What is super nova?
Who discovered radio telescope?
Explain the Aesthetic and Moral values of Science
Names of some plants and trees that sleep during the day
Why is ice wrapped in gunny sacks to prevent it from melting
Who was the first cosmonaut?
What is one light hour?
Write two characteristics of Science.
Which are the two reactors at the indira gandhi centre for atomic research ( igcar )?
Which is the largest refractor telescope?
What is one light year?
What was the code name given to the first explosion?
name all the density all cloth,metals,materials?
Which is the most famous comet?
