Home
Class 10
CHEMISTRY
Name two salts that are used in black an...

Name two salts that are used in black and white photography. Give equations of the reactions that occur when these are exposed to sun light

Text Solution

Verified by Experts

The two salts are silver chloride (AgCl) and silver bromide (AgBr). For the chemical reactions consult section 1.5.
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL REACTIONS AND EQUATIONS

    DINESH PUBLICATION|Exercise Long Answer Questions|30 Videos
  • CHEMICAL REACTIONS AND EQUATIONS

    DINESH PUBLICATION|Exercise Higher Order Thinking Skill Based Questions|7 Videos
  • CHEMICAL REACTIONS AND EQUATIONS

    DINESH PUBLICATION|Exercise Very Short Answer Questions|42 Videos
  • CARBON AND ITS COMPOUNDS

    DINESH PUBLICATION|Exercise MCQs|29 Videos
  • METALS AND NON-METALS

    DINESH PUBLICATION|Exercise MCQ|64 Videos

Similar Questions

Explore conceptually related problems

Give the chemical equation for the reaction the occurs between iron and copper sulphate solution.

A red-brown metal X forms a salt XSO_(4) . When hydrogen sulphide gas is passed through an aqueous solution of XSO_(4) , then a black precipitate of XS is formed along with sulphuric acid solution. (a) What could the salt XSO_(4) be (b) What is the colour of salt XSO_(4) ? (c) Name the black precipitate XS. (d) By using the formula of the salt obtained in (a) above , write an equation of the reaction which takes place when hydrogen sulphide gas is passed through its aqueous solution. (e) What type of chemical reaction takes place in this case ?

Black and white photographic film is based on the light-catalyzed chemical reaction

A metal salt MX when exposed to light splits up to form metal M and a gas X_(2) . Metal M is used in making ornaments whereas gas X_(2) is used in making bleaching powder. The salt MX is itself used in black and white photography. (a) What do you think metal M is ? (b) What could be gas X_(2) ? (c) Name the metal salt MX. (d) Name any two salt solutions which on mixing together can produce a precipitate of salt MX. (e) What type of chemical reaction takes place when salt MX is exposed to light ? Write the equation of the reaction.

Which one of the following compounds is used in 'black and white' photography ?

Write the balanced chemical equations for developing a black and white photographic film Also, give the reason as to why the solution of sodium thiosulphate on acidification turns milky white and give the balanced chemical equation of this reaction .

DINESH PUBLICATION-CHEMICAL REACTIONS AND EQUATIONS -Short Answer Questions
  1. Two reactions are given below : (i) 2KI + Cl(2) to 2KCl + I(2) (ii...

    Text Solution

    |

  2. (a) Complete the following equation for the chemical reaction 2FeSO(...

    Text Solution

    |

  3. Name two salts that are used in black and white photography. Give equa...

    Text Solution

    |

  4. (a) What is meant by a chemical reaction ? Explain with the help of an...

    Text Solution

    |

  5. Write balanced chemical equations for the following reactions : Hydr...

    Text Solution

    |

  6. Ferrous sulphate decomposes with the evolution of a gas having a char...

    Text Solution

    |

  7. Explain why : (a) Respiration is na exothermic reaction. (b) When ...

    Text Solution

    |

  8. Identify the oxidising and reducing agent in the following reactions :...

    Text Solution

    |

  9. A substance X, which is an oxide of a group 2 element, is used intensi...

    Text Solution

    |

  10. Zinc liberates hydrogen gas when reacted with dilute hydrochloric acid...

    Text Solution

    |

  11. A silver article generally turns black when kept in the open for a few...

    Text Solution

    |

  12. What happens when a piece of : (a) zinc metal is added to copper sul...

    Text Solution

    |

  13. (a) What is meant by a chemical reaction ? Explain with the help of an...

    Text Solution

    |

  14. Write balanced chemical equations for the following reactions : (i) ...

    Text Solution

    |

  15. "Oxidation and reduction processes occur simultaneously". Justify the ...

    Text Solution

    |

  16. Write the balanced chemical equations for the following reactions and ...

    Text Solution

    |

  17. Write the balanced chemical equations for the following reactions and ...

    Text Solution

    |

  18. Complete the missing components/variables given as x and y in the foll...

    Text Solution

    |

  19. Which among the following changes are exothermic or endothermic in nat...

    Text Solution

    |

  20. Identify the reducing agent in the following reactions. (a) 4NH(3)+...

    Text Solution

    |