Permanent hardness of water may be removed by the addition of 1 Alum 2 Sodium carbonate 3 Lime 4 Potassium permanganate3 11976
The purest form of iron is 1 Steel 2 Cast iron 3 Pig iron 4 Wrought iron21 59257
Of the following metals which, one pollutes the air of a big city? 1 Copper 2 Chromium 3 Lead 4 Cadmium3 13313
The element required for solar energy conversion is 1 Beryllium 2 Silicon 3 Tantalum 4 Ultra pure carbon2 5318
Which of the following is the most stable element? 1 Uranium 2 Hydrogen 3 Oxygen 4 Lead6 11725
Which of the following is a good nuclear fuel? 1 Uranium-238 2 Neptunium-239 3 Thorium-236 4 Plutonium-2398 19949
Which type of fire extinguisher is used for petroleum fire? 1 Foam type 2 Soda acid type 3 Powder type 4 None of these8 21011
Which of the following is commonly called a ‘polyamide’? 1 Rayon 2 Orlon 3 Terylene 4 Nylon3 11879
Rusting of iron involves 1 Oxidation 2 Reduction 3 Displacement 4 Decomposition5 28909
A mixture of water and alcohol can be separated by 1 Filtration 2 Evaporation 3 Distillation 4 Decantation4 24603
Cooking oil can be converted into vegetables ghee by the process of 1 Oxidation 2 Hydrogenation 3 Distillation 4 Crystallization4 17289
The chemical used as a ‘fixer’ in photography is 1 Borax 2 Sodium thiosulphate 3 Sodium sulphate 4 Ammonium persulphate1 10273
Study of life in outer space is called A) Endobiology B) Exobiology C) Entrobiology D) Neobiology15 35042
Activity of an enzyme can be modulated by change of [a] pH [b] Light [c] Humidity [d] Rainfall1 5100
diffrence between the profit center and business area
Differentiate between absolute and related path?
Wat is meant by Aecron brick?
Is rewriting notes a good way to study?
How to update a resultset programmatically?
What are the elements which are utilized in the state chart diagram?
How will you install new theme in drupal?
Explain how far away from earth, is space?
when an amountis declared as NPA by a bank whether any interest can be debited to that account after the date it is declared as NPA ? What are the guidelines of Reserve Bank of India in this respect ?
is there any necessity to file TDS to purchase a thing even ater paying vat
What clinical lab audit is and what are the areas you can do clinical audit?
Explain the use of rows option in exp command.
how we explain parallel paths armature winding?
How can you retrieve a particular number of records from a table?
How do you put a white border on a table in word?