The high-temperature superconductors are
1 Metal alloys
2 Ceramic oxides
3 Inorganic polymers
4 Pure rare earth metals
what the defference from anti virus and spyware and adware also? Please descript?
Which of the following roofs provide better protection against heat? 1 Cement slab 2 Asbestos sheets 3 Reinforced concrete 4 None of these
Which are known as non - luminous irregular nebulae?
Which of the following is used in making smoke bombs? 1 Sulphur 2 phosphorus 3 Hydrogen 4 Carbon
Which of the following is a chemical change? 1 Rusting of iron 2 Tempering of iron 3 Melting of iron 4 Bending of iron
The pink color of Bayer’s reagent is discharged when acetylene is passed through it. This is due to the formation of 1 Acetic acid 2 Ethylene 3 Water 4 Oxalic acid
Potassium permanganate is used for purifying drinking water, because 1 It is dissolves the impurities of water 2 It is a sterilizing agent 3 It is an oxidizing agent 4 It is a reducing agent
why we are not measure the turbidity in mg/lit?
What is the work of a patent engineer? Does the experience in working as patent engineer helps in finding a job in a refinery?
what is center of gravity?
Which of the following substances exhibit the property of sublimation? 1 Ice 2 Wax 3 Camphor 4 Ethyl alcohol
Which of the following shows the masses of three elementary particles in decreasing order? 1 Mesons, Baryons, Leptons 2 Leptons, Baryons, Mesons 3 Baryons, Mesons, Leptons 4 Leptons, Mesons, Baryons