Heavy water is
1 Sea water (H2O+Salt)
2 D2O
3 H2O2
4 None of these
Answers were Sorted based on User's Feedback
which of the following fibers is generally preferred for making gauze and lint? 1 Cotton 2 Rayon 3 Nylon 4 Terylene
infra-red rays were first detected by? the intensity level of sound is measured in? the material used for a fuse wire should? radioactivity is a property of? what is the source of electric energy in an artificial satellite? the following is used as a lubricant in heavy machines? supher, bauxite , graphite, phosphorus
What is the Genetics?
Which was the international geo - physical year?
The property of a substance to absorb moisture from the air on exposure is called 1 Osmosis 2 Dessication 3 Efflorescence 4 Deliquescence
When was the administration control of terls enstrusted to physcial research laboratory, ahmedabad?
The filament of an electric bulb is made of 1 Iron 2 Nichrome 3 tungsten 4 Graphite
9 Answers Germanium, Google, Graphite India, Tungsten,
what are the advantages and disadvantages of rational knowledge?
The gas usually filled in the eletric h\bulb is 1 Hydrogen 2 Oxygen 3 Nitrogen 4 Carbon dioxide
Which type of fire extinguisher is used for petroleum fire? 1 Foam type 2 Soda acid type 3 Powder type 4 None of these
why ammonia cylinder getting icing outside of cylinder when it approx half or less than it...??
Which of the following is used as a coolant in nuclear reactors? 1 Heavy water 2 Cadmium 3 Liquid sodium 4 None of these
2 Answers WBCS West Bengal Civil Service,