Home
Class 9
CHEMISTRY
Shiva observed a black coating on a silv...

Shiva observed a black coating on a silver spoon. What is it ?

A

`Ag_(2)S`

B

`Fe_(2)O_(3)`

C

`CuO`

D

`Al_(2)O_(3)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL REACTIONS AND EQUATIONS

    VGS PUBLICATION-BRILLIANT|Exercise ESSENTIAL MATERIAL FOR EXAMINATION PURPOSE|145 Videos

  • ATOMS AND MOLECULES

    VGS PUBLICATION-BRILLIANT|Exercise OBJECTIVE TYPE QUESTION|1 Videos

  • IS MATTER PURE?

    VGS PUBLICATION-BRILLIANT|Exercise EXERCISE|233 Videos

Similar Questions

Explore conceptually related problems

You have observed black clouds moving in the sky . Ask some questions to your father.

Write the chemical equation for tranishing of silver wear (black coatings on silver).

What is a black body ?

In a diploid population of Drosophila 9% of the population is black in colour. Black is recessive to grey. What is the frequency of heterozygous flies in that population, if it is in Hardy-Weinberg equilibrium?

Observe the diagram and answer the following. What is the function of Acrosome?

Did you notice the colour coating on silver and copper articles?

What is observational science ?

Which of the following is, when the black coating that appears when corrosion of silver occurs ?

VGS PUBLICATION-BRILLIANT-CHEMICAL REACTIONS AND EQUATIONS-OBJECTIVE TYPE QUESTIONS
  1. Which one is not a redox reaction?

    Text Solution

    |

  2. Which one cannot be decomposed ?

    Text Solution

    |

  3. Fe+CuSO(4)+cu Zn+AgNO(3)rarr Zn(NO(3))(2)+2Ag Which metals are mor...

    Text Solution

    |

  4. A balanced chemical equation is appreciable because, it gives

    Text Solution

    |

  5. 6CO(2)+6H(2)Orarr C(6)H(12)O(6)+6O(2). The reaction is appreciable, be...

    Text Solution

    |

  6. Vitamin 'C' and Vitamin 'E' are appreciable because, they can prevent

    Text Solution

    |

  7. Wh should appreciate alloys, because they

    Text Solution

    |

  8. Your house was just white washed. Now it looks in white shiny finish, ...

    Text Solution

    |

  9. This can be used as a Diwali crackers

    Text Solution

    |

  10. You should not put your hands in the vessel while preparing quicklime ...

    Text Solution

    |

  11. Which reaction is very useful to plants?

    Text Solution

    |

  12. Which method is very easy to prevent corrosion of iron frames in our h...

    Text Solution

    |

  13. How can you prevent rancidity of food items at your home ?

    Text Solution

    |

  14. Your mother put the brinjal pleces after chopping in a water, because

    Text Solution

    |

  15. Which one is not oxidized after cutting them?

    Text Solution

    |

  16. Shiva observed a black coating on a silver spoon. What is it ?

    Text Solution

    |

  17. During rainly season …………….. Will be formed on electrical wires.

    Text Solution

    |

  18. Children put on compfire with wood on a festival day. Which type of re...

    Text Solution

    |

  19. Match them and select the correct option. {:("A) Alloying","i) iron"...

    Text Solution

    |

  20. Burning of magnesium crackers is a reaction of …………….

    Text Solution

    |