General Chemistry

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Across
  1. 1. Muddy water is treated with alum in purification process, it is termed as:
  2. 3. Which gas is responsible for the green colour of plants?
  3. 7. What is the nature of drinking soda?
  4. 8. Who first proposed the concept of the atom?
  5. 9. What is the process of converting a solid directly into a gas?
  6. 10. What is the lightest element on the periodic table?
  7. 11. A polymer of amino acids.
  8. 12. Which element is essential for the process of blood clotting?
Down
  1. 2. What is the common name for acetylsalicylic acid?
  2. 4. Which element gives hardness to stainless steel?
  3. 5. Which is the key element used in the batteries of electric vehicles?
  4. 6. Which element is used in the manufacture of safety matches?
  5. 9. Which is the unit of measurement for the heat of a chilli pepper?