Q. Which one of the following gases is placed second in respect of abundance in the Earth's atmosphere?
1) Oxygen
2) Hydrogen
3) Nitrogen
4) Carbon dioxide
Q. Which one among the following chemicals is used as washing soda?
1) Calcium carbonate
2) Calcium bicarbonate
3) Sodium carbonate
4) Sodium bicarbonate
Q. Which one of the following is a chemical change?
1) Cutting of hair
2) Graying of hair naturally
3) Swelling of resin in water
4) Cutting of fruit
Q. Why is potassium permanganate used for purifying drinking water ?
1) It kills germs
2) It dissolves the impurities
3) It is a reducing agent
4) It is an oxidizing agent
Q. Electron emission from a metallic surface by application of light is known as-
1) Thermionic emission
2) Photoelectric emission
3) High field emission
4) Auto-electronic emission
Q. Urea is-
1) A nitrogen containing organic compound
2) A nitrogen containing inorganic compound
3) A plant hormone
4) An Endergonic compound
Q. The stench due to leakage from LPG cylinder is because of-
1) Methane
2) Propane
3) Butane
4) Ethyl mercaptan
Q. Bhopal Gas Tragedy was caused due to the leakage of -
1) Methyl Isocynate
2) Nitrogen dioxide
3) sulphur dioxide
4) Carbon monoxide
Q. Which of the following is not a greenhouse gas?
1) Oxygen
2) Carbon dioxide
3) Chlorofluorocarbons
4) Methane
Q. Which of the following imparts deep blue color to glass?
1) Cobalt oxide
2) Cupric oxide
3) Ferric oxide
4) Nickel oxide
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