Q. The two elements that exist as liquids at 25°C are
1) mercury and lithium
2) mercury and Caesium
3) bromine and mercury
4) mercury and argon
Q. The term 'Carat' is used to express the purity of gold. The purest form of gold is
1) 18 carats
2) 20 carats
3) 22 carats
4) 24 carats
Q. The sulphide ores of metals are concentrated by
1) cupellation
2) electrolysis
3) froth floatation
4) calcinations
Q. The substance that is least prone to catch and spread fire is
1) Nylon
2) Terycot
3) Cotton
4) Polyester
Q. The substance that contains the maximum amount of nitrogen is
1) Urea
2) Ammonium Sulphate
3) Ammonium Nitrate
4) Ammonium Chloride
Q. The purest form of iron is
1) pig iron
2) cast iron
3) wrought iron
4) stainless steel
Q. The nucleus of a hydrogen atom consists of
1) One Proton + One Neutron
2) One Protons + Two Neurons
3) One Neutron Only
4) One Electron Only
Q. The nuclear particles that are assumed to hold nucleons together are
1) Electrons
2) Positrons
3) Neutrons
4) Mesons
Q. The National Chemical Laboratory is situated in
1) New Delhi
2) Bangalore
3) Pune
4) Patna
Q. The names of the scientists, Newlands, Mandeleev and Meyer are associated with the development of
1) atomic structure
2) metallurgy
3) periodic table of elements
4) discovery of elements
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