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ASunlight

BSunlight + Pressure

CHeat Pressure

DHeat

Answer:

A. Sunlight

Read Explanation:

  • This reaction is done in presence of sunlight.

  • This reaction is used in photography


Related Questions:

Which of the following is are NOT true for ionic compounds?

  1. i. Ionic compounds have low melting and boiling points.
  2. ii. Ionic compounds are brittle and break into pieces when pressure is applied.
  3. iii. Ionic compounds are solids and are somewhat hard because of the strong force of attraction between the positive and negative ions.
  4. iv. Ionic compounds conduct electricity in the molten state.
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