Chemical reactions

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Across
  1. 3. It is a measure of the total heat content of a system.
  2. 5. It is a substance or compound added to a system to cause a chemical reaction or to test if a reaction occurs.
  3. 7. Double displacement reaction, is a chemical reaction where the ions of two compounds exchange places in an aqueous solution to form two new compounds.
  4. 9. It is a biochemical process by which plants, algae, and some bacteria convert carbon dioxide and water into glucose and oxygen using sunlight.
  5. 10. It refers to processes or organisms that do not require oxygen to live or function.
Down
  1. 1. It is a positively charged ion that has lost one or more electrons. It is attracted to the cathode (negative electrode) in electrolysis.
  2. 2. It refers to a solution in which the solvent is water. In chemical equations, it is denoted by the symbol (aq) following a substance, indicating that it is dissolved in water.
  3. 4. It is a chemical reaction between a fuel and an oxidant, typically oxygen, that produces heat and often light.
  4. 6. It is a measure of the disorder or randomness in a system.
  5. 8. It is a substance used to neutralise stomach acid, thereby relieving symptoms of indigestion, heartburn, and acid reflux.