in earth 1degree equals how many kilo meters?
why ammonia cylinder getting icing outside of cylinder when it approx half or less than it...??
What are reflecting nebulae?
Which of the following is used as a filler in rubber tyres? 1 Graphite 2 Coal 3 Coke 4 Corbon black
The human skull rests on which bone? a)Manubrium b)Atlas c)Mandible d)Sternum
Which of the following is used as a moderation in nuclear reactor? 1 Ordinary water 2 Radium 3 Thorium 4 Graphite
In fireworks, the green flame is produced because of 1 Mercury 2 Sodium 3 Potassium 4 Barium
A mixture of water and alcohol can be separated by 1 Filtration 2 Evaporation 3 Distillation 4 Decantation
Which of the following fertilizers leaves acidic residue? 1 Urea 2 Ammonium phosphate 3 Ammonium sulphate 4 None of these
What are nebulae?
Which of the following gases is not known as green house gas? 1 Carbon dioxide 2 Methane 3 Nitruous oxide 4 Hydrogen
4 Answers ACIO, Infosys, ptet,
Permanent hardness of water may be removed by the addition of 1 Alum 2 Sodium carbonate 3 Lime 4 Potassium permanganate
which country is known as thunderbolt in the world