Permanent hardness of water may be removed by the addition of 1 Alum 2 Sodium carbonate 3 Lime 4 Potassium permanganate3 8700
The purest form of iron is 1 Steel 2 Cast iron 3 Pig iron 4 Wrought iron19 45096
Of the following metals which, one pollutes the air of a big city? 1 Copper 2 Chromium 3 Lead 4 Cadmium3 8589
Which of the following is the most stable element? 1 Uranium 2 Hydrogen 3 Oxygen 4 Lead4 6204
Which of the following is a good nuclear fuel? 1 Uranium-238 2 Neptunium-239 3 Thorium-236 4 Plutonium-2398 15970
Which type of fire extinguisher is used for petroleum fire? 1 Foam type 2 Soda acid type 3 Powder type 4 None of these8 15949
Which of the following is commonly called a ‘polyamide’? 1 Rayon 2 Orlon 3 Terylene 4 Nylon3 7075
A mixture of water and alcohol can be separated by 1 Filtration 2 Evaporation 3 Distillation 4 Decantation4 17920
Cooking oil can be converted into vegetables ghee by the process of 1 Oxidation 2 Hydrogenation 3 Distillation 4 Crystallization4 12309
The chemical used as a ‘fixer’ in photography is 1 Borax 2 Sodium thiosulphate 3 Sodium sulphate 4 Ammonium persulphate1 7331
Study of life in outer space is called A) Endobiology B) Exobiology C) Entrobiology D) Neobiology15 24981
Activity of an enzyme can be modulated by change of [a] pH [b] Light [c] Humidity [d] Rainfall1 3117
what is internal standard define
hi sir/madam i need placement paper of last years of DRDO in chemical sream...... send me the question paper as soon as possible on my email address email@example.com
How do we drill through from a powerplay cube to reportnet?\
what kind of questions based on computer may be asked in an interview in BPO's?
How to Transport mouse splenocytes ?
How to measure the Harmonic Distortion of UPS ie THD?
What is Edge finding?
I want previous year question paper of ONGC for chemical engg.
What are the difference between Debit Memorandum and Credit Memorandum?
Can you please explain me how to do testing of an E-insurance project end to end process..
what is the difference between controller in mobile and processor in pc?
what is the power in horse power of a 4 stroke diesel with the following make up? piston diameter = 250mm length = 70mm stroke = 300 1 bar (1013kpa) rpm = 5/second please show workings
How harmonic block test are conducted on relays ( Siemens,Areva ect )power transformer using omicron kit?
Please brief me about Ball-screw.
I am 2012 pass out b tech student(cse). i have recently started software manual testing class. Is this field is benefitial for me in future?