Q. Percentage of lead pencils is
1) 31-66
2) 0
3) 40
4) 80
Q. The most abundant inert gas in the atmosphere is
1) Argon
2) Helium
3) Neon
4) Krypton
Q. The metal, which is a constituent of Vitamin B12, is
1) Cobalt
2) Iron
3) Zinc
4) Magnesium
Q. Denatured spirit is ethanol mixed with
1) Pyridine
2) Kerosene
3) Petrol
4) Water
Q. To chemical name of 'Commom salt' is
1) Sodium chloride
2) Sodium nitrate
3) Ammonium chloride
4) Calcium chloride
Q. Which mineral is the ore of aluminium?
1) Bauxite
2) Haematite
3) Siderite
4) Magnetite
Q. Chemical name of bleaching powder is:
1) Calcium Chlorate
2) Calcium Chloro hypochlorite
3) Calcium hypochlorite
4) Calcium bi Chloride
Q. Which one of the following is also called Stranger Gas?
1) Xenon
2) Argon
3) Neon
4) Nitrous oxide
Q. Which among the following elements (metals) pollutes the air of a city having large number of automobiles?
1) Cadmium
2) Chromium
3) Lead
4) Nickel
Q. Which of the following is likely to reach our body via the food chain in the event of an atomic bomb explosion?
1) U-235
2) Sr-90
3) K-40
4) H-3
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