Permanent hardness of water may be removed by the addition of 1 Alum 2 Sodium carbonate 3 Lime 4 Potassium permanganate3 8449
The purest form of iron is 1 Steel 2 Cast iron 3 Pig iron 4 Wrought iron19 43129
Of the following metals which, one pollutes the air of a big city? 1 Copper 2 Chromium 3 Lead 4 Cadmium3 8190
Which of the following is the most stable element? 1 Uranium 2 Hydrogen 3 Oxygen 4 Lead4 5871
Which of the following is a good nuclear fuel? 1 Uranium-238 2 Neptunium-239 3 Thorium-236 4 Plutonium-2398 15405
Which type of fire extinguisher is used for petroleum fire? 1 Foam type 2 Soda acid type 3 Powder type 4 None of these8 15498
Which of the following is commonly called a ‘polyamide’? 1 Rayon 2 Orlon 3 Terylene 4 Nylon3 6747
A mixture of water and alcohol can be separated by 1 Filtration 2 Evaporation 3 Distillation 4 Decantation4 16851
Cooking oil can be converted into vegetables ghee by the process of 1 Oxidation 2 Hydrogenation 3 Distillation 4 Crystallization4 11722
The chemical used as a ‘fixer’ in photography is 1 Borax 2 Sodium thiosulphate 3 Sodium sulphate 4 Ammonium persulphate1 7088
Study of life in outer space is called A) Endobiology B) Exobiology C) Entrobiology D) Neobiology15 24221
Activity of an enzyme can be modulated by change of [a] pH [b] Light [c] Humidity [d] Rainfall1 2931
what controls have you used in your project?
What is heating effect?
what is pile and deam foundation
whats difference between manufacturing account & cost account
what is the working principle of a DG Set, Alternator, & exiter
we are doing Design of Placement Website as our academic project. Home page is in c#.net format and register page is in asp.net format. We met a problem in this.register page is not linked in home page. how i complete my project with out any change..?
what is db2 restart?
What are Associative Arrays?
How to Use structs in Automation-compatible interfaces?
Suppose the price elasticity of demand for the textbooks is two and the price of the textbook is increased by 10% By how much does the quantity demand fall? Enter the results and discuss reason for the fall in quantity demand.
how to solved the shares qusionas ?
Q) Create Preffered customer: As a customer when i purchase more than $5000 in goods since my first purchase, I become a preffered customer so that i can receive the benefits associated with that status.
How to size the cooling tower sump / basin for any given circulation rate? What is the guideline?
what would be the design load of R.C.C Cooling tower per cell.?
how much to get of BRC lapping in full yield and half yield ?