Q. Which of the following is the most favourable condition for the reaction of nitrogen with hydrogen of form ammonia?
1) High pressure, high temperature and high concentration of reactants
2) High pressure, low temperature and high concentration of reactants
3) High pressure, low temperature and low concentration of reactants
4) Low temperature, low pressure and high concentration of reactants
Q. Nitrolim is a mixture of
1) Nitrogen and aluminium
2) Calcium cyanamide and coke
3) Calcium and nitrogen
4) Calcium carbide and nitrogen
Q. A substance at high temperature glows because of
1) High kinetic energy of the atoms
2) Vibration of the molecules
3) Excitation of electrons within the atomic nucleus
4) All of the above
Q. If someone damages his or her eyes in an accident, then he or she should consult an -
1) Ophthalmologist
2) Optician
3) Orthopedic
4) Oncologist
Q. Tritium is composed of
1) One proton, two electrons and one neutron
2) Two protons and one electron
3) One proton, one electron and one neutron
4) One proton, one electron and two neutrons
Q. The process of union of two or more molecules of a substance to form a large single molecule is called
1) Diffusion
2) Synthesis
3) Fusion
4) Polymerisation
Q. Which of the following groups of elements finds extensive application in the transistor industry?
1) Carbon and Platinum
2) Silicon and Germanium
3) Iridium and Germanium
4) Tungsten and Platinum
Q. One Life is Not Enough is an autobiography of -
1) Joginder Singh
2) Sanjay Baru
3) Natwar Singh
4) L. K. Adbani
Q. When a patient's blood pressure is taken, the pressure exerted by blood on the walls of the blood vessel is measured. At what stage is this pressure measured?
1) When the heart sends out oxygenated blood to the body parts
2) When deoxygenated blood goes into the heart
3) At both the stage
4) At the in-between stage
Q. In blogging, the blogger, with the help of his computer and the Internet -
1) Puts out his ideas, information, photos, etc., on the Internet which can be accessed by any other person
2) Visits the Web site of another person and makes changes in the information posted thereon
3) Accesses another person's computer and steals secret information stored therein
4) Accesses another computer and continuously exchanges information with it
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