Chemistry
Grade-10
Easy
Question
Balance this equation:
H2 + N2 → NH3
- H2 + 4N2 → NH3
- H2 + 3N2 → 2NH3
- 3H2 + N2 → 2NH3
- 2H2 + 2N2 → 3NH3
Hint:
Number of elements before and after the reaction should be same.
The correct answer is: 3H2 + N2 → 2NH3
3H2 + N2 → 2NH3
Related Questions to study
Chemistry
Balance this equation:
Al2O3 → Al + O2
Balance this equation:
Al2O3 → Al + O2
ChemistryGrade-10
Chemistry
Balance the following:
____ Al + ____ HCl → ____ AlCl3 + ____ H2
Balance the following:
____ Al + ____ HCl → ____ AlCl3 + ____ H2
ChemistryGrade-10
Chemistry
Balance the following:
____ Fe + ____ Cl2 → ____ FeCl3
Balance the following:
____ Fe + ____ Cl2 → ____ FeCl3
ChemistryGrade-10
Chemistry
Which of the following is an example of a chemical change?
Which of the following is an example of a chemical change?
ChemistryGrade-10
Chemistry
What type of change occurs when a new substance is formed that has different properties from the original substance?
What type of change occurs when a new substance is formed that has different properties from the original substance?
ChemistryGrade-10
Chemistry
A change in the shape of an object is an example of _________________.
A change in the shape of an object is an example of _________________.
ChemistryGrade-10
Chemistry
Which of the following is a chemical change?
Which of the following is a chemical change?
ChemistryGrade-10
Chemistry
What happens in all chemical changes?
What happens in all chemical changes?
ChemistryGrade-10
Chemistry
Which of the following is a chemical change?
Which of the following is a chemical change?
ChemistryGrade-10
Chemistry
Which of the following is a chemical change rather than a physical change?
Which of the following is a chemical change rather than a physical change?
ChemistryGrade-10
Chemistry
Chemical properties of a substance include all of the following except:
Chemical properties of a substance include all of the following except:
ChemistryGrade-10
Chemistry
Burning of magnesium ribbon is a
Burning of magnesium ribbon is a
ChemistryGrade-10
Chemistry
Which of the following is not a chemical reaction?
Which of the following is not a chemical reaction?
ChemistryGrade-10
Chemistry
Which is an example of a chemical reaction?
Which is an example of a chemical reaction?
ChemistryGrade-10
Chemistry
Which of the following is a physical change?
Which of the following is a physical change?
ChemistryGrade-10