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1.what is a pasacline?who invented it?
2.who was the first man to go into space?
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is there any device to convert to mechanical energy into electrical energy
Which of the following alloys is used for making magnets? 1 Duralumin 2 Stainless steel 3 Alnico 4 Magnalium
Gypsum is added to cement clinker to 1 Increase the tensile strength of cement 2 Bind the particles of calcium silicate 3 Decrease the rate of setting of cement 4 Facilitate the formation of colloidal gel
172.116.0.0 is a private address - for 120 subnets how many bits does one borrow from the HOST bits
Which of the following metals is a better conductor of electricity? A. Silver B. Copper
Which of the following is not a bleaching agent? 1 Sulphur dioxide 2 Carbon dioxide 3 Sodium hypochlorite 4 Chlorine
The group of metals Fe, Co, Ni may be best called as 1 Alkali metals 2 Rare metals 3 Main group metals 4 Transition metals
Which gas is used for preparation of soda water? 1 Ammonia 2 carbon dioxide 3 Hydrogen 4 Nitric oxide
Who is the first female cosmonaut?
In an atomic nucleus, neutrons and protons are held together by 1 Gravitational forces 2 Magnetic forces 3 Exchange force 4 Coulombic forces
Which of the following is used in making smoke bombs? 1 Sulphur 2 phosphorus 3 Hydrogen 4 Carbon
Which of the following is used as a filler in rubber tyres? 1 Graphite 2 Coal 3 Coke 4 Corbon black
Biological Sciences 
