Download App

Chemical Reactions and Equations — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceChemical Reactions and Equations1 Mark
MCQ
When $\ce{Ag}$ is exposed to air it gets a black coating of :
  • A
    $\mathrm{AgNO}_3$
  • ✓
    $\mathrm{Ag}_2 \mathrm{S}$
  • C
    $\mathrm{Ag}_2 \mathrm{O}$
  • D
    $\mathrm{Ag}_2 \mathrm{CO}_3$
✓

Answer

Correct option: B.
$\mathrm{Ag}_2 \mathrm{S}$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q" from Chemical Reactions and Equations→Chemical Reactions and Equations — all question types→Science STD 10 question papers→CBSE Board STD 10 question papers→CBSE Board question paper generator→

Similar questions

Mark the statement which is an advantage of hydro energy :
→
Which one of the following metals do not react with cold as well as hot water?
→
Which one of the following types of medicines is used for treating indigestion?
→
The metal which can be extracted from pyrolusite ore is :
→
One of the following statements is not true about thyroxine. This is:
→
Select the group which shares the maximum number of common characters :
→
Conservation of energy leads to :
→
The disease kala-azar is caused by a micro-organism known as:
→
One of the following is an exothermic reaction. This is:
→
What is the Law of Conservation of Mass?
→