CHEMISTRY ONE LINER SET 01
1. Which part of cinchona plant yields quinine? Bark
2. Liquefied Petroleum Gas consists of mainly which gases? Methane, butane and propane
3. Which is the secondary source of light in a fluorescent lamp? Mercury vapour
4. Which elements is obtained from sea weeds? Iodine
5. Which Bacteria convert atmospheric nitrogen into nitrogenous compound? Nitrogen fixing bacteria
6. In fireworks, how is the green flame produced? Because of barium
7. Water will be absorbed by root hairs, then how is when the external medium? Hypotonic
8. Who does a liquid drop tend to assume a spherical shape? Surface tension
9. Which substance does not have a melting point? Glass
10. Which was the first metal used by man? Copper
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