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The property of a substance to absorb moisture from the air on exposure is called 1 Osmosis 2 Dessication 3 Efflorescence 4 Deliquescence
3 17931Which gas is used for preparation of soda water? 1 Ammonia 2 carbon dioxide 3 Hydrogen 4 Nitric oxide
7 24678Which of the following minerals has the lower numerical hardness value? 1 Talc 2 Gypsum 3 Apatite 4 Topaz
3 8511Brass gets discolored in air because of the presence of which of the following gases in air? 1 Carbon dioxide 2 Oxygen 3 Hydrogen sulphide 4 Nitrogen
2 17531Quartz crystals normally used in quartz clocks etc. is chemically 1 Sodium silicate 2 Germanium oxide 3 Silicon dioxide 4 None of these
1 12168Bell metal is an alloy of 1 Brass an nickel 2 Zinc and copper 3 Tin and copper 4 None of these
1 9629The high-temperature superconductors are 1 Metal alloys 2 Ceramic oxides 3 Inorganic polymers 4 Pure rare earth metals
1 3786Which of the following are the ingredients of gun metal? 1 Iron, Tin 2 Copper, Tin 3 Iron, Brass, Tin 4 Iron, Zinc, Titanium
2 12245The variety of coal in which the deposit contains recognizable traces of the orginal plant material is 1 Anthracite 2 Lignite 3 Peat 4 Bitumen
1 8126The gas that usually causes explosions in coal mines is 1 Hydrogen 2 Carbon monoxide 3 Air 4 Methane
8 14877In fireworks, the green flame is produced because of 1 Mercury 2 Sodium 3 Potassium 4 Barium
1 12728The element required for solar energy conversion is 1 Germanium 2 Silicon 3 Uranium 4 None of these
2 20535Which of the following was to be discovered first in the chromo sphere of the sun? 1 Xenon 2 Helium 3 Neon 4 Krypton
1 3711Which among the following is a positively charged particle emitted by a radioactive element? 1 Alpha ray 2 Beta ray 3 Gamma ray 4 Cathode ray
2 10810
why you are intrested in junior reasearch fellow
define standard feat of formation?
Give the IUPAC name for [Co(NH3)5SO4]Cl
Are you familiar with recent advancements in hematology research and treatment modalities? How do you stay informed about the latest developments?
What are the typical vegetation and the typical fauna of the deserts?
How to determine the EDTA content by potentiometry titration in Ceftriaxine sodium
What is the chemical composition of gene?
Describe the Aeromonas hydrophila growth curve ?
valve guarding superior vena cava in embryonic stage
common characteristics of parrot, platybus and kangaroo
What is ampourpose?
composition of german silver
How is the role of regional fishery bodies changing?
Which element has the lowest melting point?
Who stated that planets are originated from the collision of the sun and comet?
