Advertisements
Advertisements
प्रश्न
Which of the following is not an “element + element → compound” type reaction?
पर्याय
C(s) + O2(g) → CO2(g)
2K(s) + Br2(l) → 2KBr(s)
2CO(g) + O2(g) → 2CO2(g)
4Fe(s) + 3O2(g) → 2Fe2O3(s)
Advertisements
उत्तर
2CO(g) + O2(g) → 2CO2(g)
APPEARS IN
संबंधित प्रश्न
When carbon dioxide is passed through lime water, it turns milky due to the formation of ______.
How do the following help in bringing about a chemical change?
catalyst .
FILL IN THE BLANK
The new substances formed during a chemical reaction are called the ..................
What are chemical reactions?
Balancing a chemical equation is based on
State what you would observe when the following substance is heated in a glass test tube red lead.
Give an example of a reaction where the following are involved:
Close contact
Give reason for the following:
Blue solution of copper sulphate changes to green when a piece of iron is added to this solution.
Circle the odd one out. Give reason for your choice
Explain how the painting of an iron gate prevents it from rusting.
