Indian army has published the notification for SSC Tech 56 men and SSC Tech 27 women for the course commencing at OTA Chennai from April 2021
Very small insoluble particles in a liquid may be separated from it by using
crystallization
fractional distillation
centrifugation
decantation
Which one of the following elements cannot be detected by "Lassaigne's test"?
I
Cl
S
F
In which of the following, functional group isomerism is not possible?
Alcohols
Aldehydes
Alkyl halides
Cyanides
Which one of the following statements is not correct?
Fischer projection represents the molecule in an eclipsed conformation
Newman projection can be represented in eclipsed, staggered and skew conformations
Fischer projection of the molecule is its most stable conformation
In Sawhorse projections, the lines are inclined at an angle of 120o to each other
The monomer/monomers used for the synthesis of Nylon 6 is /are
hexamethylenediamine and adipic acid
caprolactam
urea and formaldehyde
phenol and formaldehyde
Which one among the following stars is nearest to the earth?
Sirius
Arcturus
Spica
Proxima Centauri
Two identical solid pieces, one of gold and other of silver, when immersed completely in water exhibit equal weights. When weighed in air (given that density of gold is greater than that of silver)
the gold piece will weigh more
the silver piece will weigh more
both silver and gold pieces weigh equal
weighing will depend on their masses
An electron and a proton starting from rest get accelerated through potential difference of 100kV. The final speeds of the electron and the proton are Ve and Vp respectively. Which of the following relations is correct?
Ve > Vp
Ve < Vp
Ve = Vp
Cannot be determined
Which one of the following functions is not carried out by smooth endoplasmic reticulum?
Transport of materials
Synthesis of lipid
Synthesis of protein
Synthesis of steroid hormone
Which one of the following cell organelles mainly functions as storehouse of digestive enzymes?
Desmosome
Ribosome
Lysosome
Vacuoles
