Permanent hardness of water may be removed by the addition of 1 Alum 2 Sodium carbonate 3 Lime 4 Potassium permanganate3 9813
The purest form of iron is 1 Steel 2 Cast iron 3 Pig iron 4 Wrought iron20 53145
Of the following metals which, one pollutes the air of a big city? 1 Copper 2 Chromium 3 Lead 4 Cadmium3 10166
Which of the following is the most stable element? 1 Uranium 2 Hydrogen 3 Oxygen 4 Lead4 8083
Which of the following is a good nuclear fuel? 1 Uranium-238 2 Neptunium-239 3 Thorium-236 4 Plutonium-2398 17863
Which type of fire extinguisher is used for petroleum fire? 1 Foam type 2 Soda acid type 3 Powder type 4 None of these8 19127
Which of the following is commonly called a ‘polyamide’? 1 Rayon 2 Orlon 3 Terylene 4 Nylon3 9008
Rusting of iron involves 1 Oxidation 2 Reduction 3 Displacement 4 Decomposition5 24294
A mixture of water and alcohol can be separated by 1 Filtration 2 Evaporation 3 Distillation 4 Decantation4 21691
Cooking oil can be converted into vegetables ghee by the process of 1 Oxidation 2 Hydrogenation 3 Distillation 4 Crystallization4 14563
The chemical used as a ‘fixer’ in photography is 1 Borax 2 Sodium thiosulphate 3 Sodium sulphate 4 Ammonium persulphate1 8266
Study of life in outer space is called A) Endobiology B) Exobiology C) Entrobiology D) Neobiology15 29269
Activity of an enzyme can be modulated by change of [a] pH [b] Light [c] Humidity [d] Rainfall1 3801
can i connect the two phases of scott connected transformer,if not why?
rational decision making steps
Emergency Shutdown Systems/ Plant Shutdown System.
What strengths and experiences do you have that support your career aspirations?
whenever we give #metastat cmd in svm, it display output "need to maintain" state, what u do?
i have purchase flat Rs.51279327/- + stamp duty registration charges + MVAT + Service tax = 5332370/- & other charges Rs.2012540/- please late me journal entry in Fixed asssets.
Water filter calculation formula
how to insert or retrieve only 2000 records with having 10000 records
how to find the torque of the single phase synchronous motor by doing an experiment
How can you first report in Business Objects by using broadcast agent?
how harmonics generated in induction furnance? how minimise it?
george phenomenon of synchronous machine
what is your preferred programming language? Why? How long will it take you to learn a new programming language?
how will u test the idoc