1. In fireworks, the green flame is produced because of
b
2. Which of the following metals forms an amalgam with other metals?
a
3. Who among the following was the first Indian elected to the British House of Commons?
b
4. Where were wigs first invented?
a
5. Marsh gas is
a
6. This
African-American woman physical therapist worked with soldiers disabled
in World War II. She invented a device that helped the disabled to eat
by delivering food through a tube to a mouthpiece.
c
7. Who was the first person to patent the JET ENGINE?
b
8. What is the name of the CalTech seismologist who invented the scale used to measure the magnitude of earthquakes?
b
9. Which of the following was to be discovered first in the chromospheres of the sun?
a
10. Article 25 of the Constitution of India deals with -
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