Bleaching powder is made from 1 Sulphur dioxide and gypsum 2 Chlorine and charcoal 3 Soda ash and lilme 4 Lime and chlorine
2 13601The 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 19667Which of the following gases is not known as green house gas? 1 Carbon dioxide 2 Methane 3 Nitruous oxide 4 Hydrogen
4 23984Which of the following is not a neutral oxide? 1 Carbon monoxide 2 Sulphur dioxide 3 Nitric oxide 4 Water
1 7447Titanium is purified by 1 Zone refining 2 Electrolysis 3 Van Arkel method 4 Hydraulic washing
4 12658Which of the following is used in making smoke bombs? 1 Sulphur 2 phosphorus 3 Hydrogen 4 Carbon
1 6311Which of the following is not a bleaching agent? 1 Sulphur dioxide 2 Carbon dioxide 3 Sodium hypochlorite 4 Chlorine
1 12894The gas usually filled in the eletric h\bulb is 1 Hydrogen 2 Oxygen 3 Nitrogen 4 Carbon dioxide
2 4737Post New General Science Questions
meron po bang minerals ang astoroids po ba?
first aid to person affected with electrical shock
Who commanded the challenger’s first flight?
Dear Sir I have got through cable size calculation 10 sq mm cable size of one panel, how i be sure that used cable is 10sqmm. a) By measuring each strand of cpper & multilpy by pye and so on...... or By measuring any one cable core with insulation only.
Who is the first female cosmonaut?
What is one light second?
What are the important factors of cosmic rays?
Who developed primary blue print programme?
Which are the research centres of department of atomic energy?
The country helped in arihant’s built?
where is the indragandhi furnal in delhi, who is bulit in krishna sagar dam
How many naval staffs can occupy arihant?
What are luminous irregular nebulae?
Which is the most famous comet?
Explain any four values that can be developed through teaching Physical Science
