Q. The entropy of the universe
1) tends towards maximum
2) tends towards zero
3) tends towards minimum
4) remains unchanged
Q. The energy of the electron is taken as zero when it is
1) in its ground state
2) in the k-shell
3) in the orbit
4) far from the nucleus
Q. The element first detected spectroscopically in the Sun's atmosphere is
1) O2
2) Ne
3) H2
4) He
Q. The electron affinity for the inert gases is
1) Zero
2) High
3) Negative
4) Positive
Q. The ejection of electrons when a metal surface is irradiated is called
1) Black body radiation
2) Photoelectric effect
3) Zeeman effect
4) Atomic spectrum
Q. The difference between isotopes of an element is due to the presence of a different number of
1) Protons
2) Neutrons
3) Electrons
4) Photons
Q. The development of the ultra microscope makes use of the
1) Edison effect
2) Tyndall effect
3) Brownian motion
4) Zeeman effect
Q. The cyclotron is a device for
1) purifying metals
2) accelerating particles
3) separating oil from water
4) producing protons
Q. The correct order of reactivity of the following alcohols is in the order
1) primary > secondary > tertiary
2) primary > tertiary > secondary
3) secondary > primary >tertiary
4) tertiary > secondary > primary
Q. The commercial name for calcium hydride
1) lime
2) hydrolyth
3) slaked lime
4) calgon
IntroductionAre you passionate about sports but don't see yourself as an athlete? Do you find the business side of sports fascinating? A career in sports management could be your winning ticket! This field combines business, sports, and management, offering dynamic roles that go far beyond the field →
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