Practice Organic chemistry Questions and Answers

• When Hydrogen starts burning in air it produces?
• Mercury is a :
• Spirit in contact with body gives cool sensation because it is:
• Taj Mahal is greatly affected due to: 
• The most abundant constituent of atmospheric air is
• Which mineral is the ore Of aluminium?
• Which gas is used for converting vegetable oils into saturated fats?
• Chemical name of bleaching powder is
• Alcoholic (OH) group can be identified by
• The total energy of revolving electron in an atom 
• Conduction band electrons have more mobility than holes because they
• The mass number of a nucleus is
• Identify the metal which is nontoxic in nature.
• The gas that usually causes explosions in coal mines is
• The chemical bahaviour of an atom depends upon 
• A powerful eye irritant present in smog is
• When water itself combines chemically with some element or mineral it is called 
• The electronic configuration of an atom having atomic number 20 is 
• The most reactive among the halogens is 
• The major component in the LPG is 
• KMN04 can be used as a/an
• Which of the inert gases can form compounds?
• Burning pyrites ore gives out 
• Which one of the following elements is used in the manufacture of fertilizers?
• Natural rubber is the polymer of:
• In addition to hydrogen the other abundant element present on Sunsurface is
• Which of the following is the major constituent of LPG? 
• Ozone layer is present in
• An electric iron has a heating element made of:
• The process of covering water pipes made of Iron with Zinc layer to prevent corrosion is called: 
• The particle required to continue the chain process of Uranium fission is:
• Which of the following is used to increase the antiknocking property of petrol?
• The chiefsource for the production of nitrogeneous fertilizers is : 
• The element used for making solar cells is
• Which of the following is an iron ore ? 
• Which one of the following is an example of a gel?
• Bakelite is a copolymer of Phenol and
• When a spoon is to be electroplated with nickel the spoon is
• The Bhopal tragedy was caused by the gas
• Which one of the following contributes largely to the greenhouse effect?