EASY
10th CBSE
IMPORTANT
Earn 100

Why does zinc react with dilute sulphuric acid to give hydrogen gas but copper does not?

Important Questions on Chemical Reactions And Equations

EASY
10th CBSE
IMPORTANT

What is the difference between the following two types of reaction?

AgNO3 + HClAgCl + HNO3Mg + 2HClMgCl2 + H2

EASY
10th CBSE
IMPORTANT
To preserve food items, we keep them in a refrigerator. Why?
EASY
10th CBSE
IMPORTANT
Suggest two methods to prevent rusting.
EASY
10th CBSE
IMPORTANT
What type of reaction takes place during the digestion of food in our body?
EASY
10th CBSE
IMPORTANT
Taking a suitable example, explain the oxidation and reduction take place side by side.
EASY
10th CBSE
IMPORTANT
Write balance equation for the reaction : Phosphorus burns in chlorine gas to form phosphorus pentachloride.
EASY
10th CBSE
IMPORTANT
Can we place silver nitrate solution in an iron vessel? Why or why not?
MEDIUM
10th CBSE
IMPORTANT
What is the relationship between combination and decomposition reactions? Write an equation for each type.