Shivam Gurjar

12345678
Across
  1. 2. _is blueish and greenish in colour.
  2. 5. the substances that have the ability to oxidize other substances.
  3. 6. the reaction in which more reactive metal displaces less reactive.
  4. 8. we need to balance the number of _ elements while balancing the chemical equation.
Down
  1. 1. which compound formed by metals and nonmetals.
  2. 3. substance that takes part in and undergoes change during a reaction.
  3. 4. what happens when oxygen is added.
  4. 7. the substances which are formed in a chemical reaction are called.