Across
- 4. - The process of slowly eating up the metals due to the attack of atmospheric gases on the surface of metals is known as.
- 5. - The reaction in which a single substance decomposes to give two or more simpler substances.
- 7. - The reaction in which a more reactive element displaces a less reactive element from a salt solution is called.
- 8. - The decomposition that occurs by applying heat is known as.
- 11. - The reaction that produces a precipitate.
- 12. - The reaction in which decomposition occurs by applying electricity is known as.
- 15. - The reactions in which the reactants absorb heat energy from the surroundings to form products.
Down
- 1. - The type of reaction where two chemical substances react by exchanging ions to produce two new molecules.
- 2. - The reaction in which decomposition occurs in the presence of light is known as.
- 3. - The reaction in which 2 more substances combine to form a single new substance.
- 6. - The process in which one or more substances react to form a new substance with different properties.
- 9. - The process that involves the gain of oxygen or loss of hydrogen.
- 10. - The reaction in which oxidation and reduction take place simultaneously.
- 13. - The reactions in which energy is released in the form of light or heat.
- 14. - the process that involves the gain of hydrogen or loss of oxygen.
