Q. Which one of the following statements is not correct?
1) Fischer projection represents the molecule in eclipsed conformation
2) Newman projection can be represented in eclipsed, stagged and skew conformations
3) Fischer projection of the molecule is its most stable conformation
4) In Sawhorse projections, the lines are inclined at an angle of 120° to each other
Q. Very small insoluble particles in a liquid may be separated from it by using -
1) crystallization
2) fractional distillation
3) centrifugation
4) decantation
Q. 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)
1) the gold piece will weigh more
2) the silver piece will weigh more
3) both silver and gold pieces weigh equal
4) weighing will depend on their masses
Q. For an ideal gas, which one of the following statements does not hold true?
1) The speed of all gas molecules is same
2) The kinetic energies of all gas molecules are not same
3) The potential energy of the gas molecules is zero
4) There is no interactive force between the molecules
Q. Hooke's law is valid for -
1) only proportional region of the stress-strain curve
2) entire stress-strain curve
3) entire elastic region of the stress-strain curve
4) elastic as well as plastic region of the stress-strain curve
Q. Which one of the following is the correct sequence of passage of light in a compound microscope?
1) Condenser - Objective lens - Eyepiece - Body tube
2) Objective lens - Condenser - Body tube - Eyepiece
3) Condenser - Objective lens - Body tube - Eyepiece
4) Eyepiece - Objective lens - Body tube - Mirror
Q. The forces acting on a drop of a liquid placed on a horizontal surface is -
1) Force due to surface tension
2) Force due to gravity
3) Both (A) and (B)
4) Force due to viscous
Q. Which one of the following types of glasses is used for making optical instruments?
1) Pyrex glass
2) Soft glass
3) Hard glass
4) Flint glass
Q. Joule-Thomson process is extremely useful and economical for attaining low temperature. The process can be categorized as -
1) isobaric process
2) isoenthalpic process
3) adiabatic process
4) isochoric process
Q. Ultrasonic waves are produced by making use of -
1) ferromagnetic material
2) ferrimagnetic material
3) piezoelectric material
4) pyroelectric material
Interior design is a fun and creative field. It mixes art and practicality to make spaces look good and work well. With more people wanting great places to live and work, the need for skilled interior designers is rising. Let’s look at what it takes to have a career in interior design, including nee →
Foundation Date: December 8, 1991 Headquarters: The Republic of Belarus Executive Secretaries: Sergei Lebedev Member Countries: 12 Commonwealth of Independent States (CIS) was established on December 8, 1991, and the leaders of the Republic of Belarus, the Russian Federation, and Ukraine signed an a →
In 2009, an unknown programmer by the name of Satoshi Nakamoto put forward a whitepaper that proposed a creation of new form of digital currency - cryptocurrency. Cryptocurrency functions the same way as regular currencies do in that its used as a means of exchange, unit of account and a store of va →
Headquarter: New Delhi Function and Objective of the Organization: The Food Safety and Standards Authority of India (FSSAI)has been established under Food Safety and Standards Act, 2006 which consolidates various acts & orders that have hitherto handled food-related issues in various Ministries →
If you contribute your content to our site. Please mail us your content to editor@onlinegk.net