Q. The most malleable metal is -
1) Platinum
2) Silver
3) Iron
4) Gold
Q. The lowest percentage of carbon is in -
1) Cast iron
2) Steel
3) Wrought iron
4) Pig iron
Q. The NPT (Nuclear Non-Proliferation Treaty) came into force in -
1) 1968
2) 1972
3) 1970
4) 1974
Q. An electrical appliance is earthed to -
1) Protect the appliance against any damage
2) Prevent shocks.
3) Reduce consumption
4) Avoid short-circuiting
Q. The Civil Disobedience movement caught the imagination of the people in the States. Significant popular movements came into being in many places, pointing out where it did not.
1) Rajkot
2) Hyderabad
3) Travancore
4) Rampur
Q. Camphor can easily be purified by the process of -
1) Sublimation
2) Distillation
3) Crystallisation
4) Sedimentation
Q. Though the temperature inside lighted electric bulb is around 2700°C, the filament does not burn because -
1) The metal of which is made up of resistant burning
2) The oxygen necessary for combustion (burning) is not available as the bulb is evacuated and Filled with pure nitrogen or inert gas
3) It cannot burn in closed systems
4) It is made of a non-metallic substance
Q. In which case did the Supreme Court hold that the preamble was not a part of the Constitution?
1) Berubari case
2) Golak Nath case
3) Keshavananda Bharati case
4) None of the above
Q. The pH of human blood is around -
1) 3
2) 7.5
3) 12
4) 6
Q. In the human body, the most abundant element is -
1) Carbon
2) Calcium
3) Nitrogen
4) Oxygen
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