1. The three states of matter are solid, liquid and gas.   True   False   2. What is known as the universal solvent?   Water   Aqua Regia   Hydrochloric Acid   Sulphuric Acid   Hint Half-n-half Clue   3. Which of the following has an organic origin?   Sand   Bakelite   Nylon   Coal   Half-n-half Clue   4. What is the name given to molten rocks erupted by a volcano?   Geyser   Crater   Lava   Firestone   Half-n-half Clue   5. Who wrote the book "The Origin of Species"?   Sir Alexander Fleming   Stephen Hawking   Charles Darwin   Louis Pasteur   Half-n-half Clue   6. Which gas evolves when charcoal is burnt?   Ozone   Carbon Dioxide   Nitrogen   Oxygen   Half-n-half Clue   7. Who invented the miner's safety-lamp?   Sir Humphrey Davy   Sir Frank Whittle   Thomas Alva Edison   Alexander Graham Bell   Half-n-half Clue