Q. Mauriatic acid used in household work is diluted form of -
1) Acetic acid
2) Hydrochloric acid
3) Oxalic acid
4) Aqua regia
Q. Phenyl used in household work is a derivative of -
1) Methyl alcohol
2) Tartaric acid
3) Benzene
4) Anthracene
Q. Which one among the following substances does not contribute to global warming ?
1) Oxide of Sulphur and Nitrogen
2) Methane
3) Carbon dioxide
4) Water vapour
Q. Acid rain is due to air pollution by -
1) Carbon dioxide
2) Carbon monoxide
3) Methane
4) Nitrous oxide and Sulphur dioxide
Q. pH value of pure water is -
1) Less than 7
2) More than 7
3) Equal to 7
4) Equal to 0
Q. The highly polished monolithic Ashokan Pillars were carved out of single pieces of a buffcoloured sandstone, usually minded from the quarries of -
1) Chunar near Mirzapur
2) Lauriya in Nandangarh
3) Sarnath near Vaaranasi
4) Udayagiri near
Q. Which chemical was an important symbol in our struggle for freedom?
1) Glucose
2) Fertilizer
3) Medicine
4) Sodium chloride
Q. Which one among the following is responsible for the expansion of water in the ocean?
1) Carbon dioxide
2) Nitrogen dioxide
3) Carbon monoxide
4) Sulphur dioxide
Q. Food cans are coated with tin but not win Zine because-
1) Zinc is costlier than tin
2) Zinc has a higher melting point than tin
3) Zinc is more reactive than tin
4) Tin is more reactive than zinc
Q. Which allotropy of carbon is in rigid three-dimensional structures?
1) Graphite
2) Fullerence
3) Diamond
4) Carbon blck
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