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10In a balanced chemical equation, the number of atoms on both sides is equal.
Changing the subscript of a formula is allowed while balancing an equation.
The law of conservation of mass is followed in balancing chemical equations.
Coefficients are written in front of chemical formulas to balance equations.
In 2Mg + O₂ → 2MgO, magnesium atoms are balanced.
An unbalanced equation obeys the law of conservation of mass.
State symbols like (s), (l), and (g) show the physical state of substances.
Hit and trial method is used to balance chemical equations.
In 2H₂ + O₂ → 2H₂O, oxygen atoms are not equal on both sides.
Balanced chemical equations give information about the ratio of reactants and products.
Percentage: 0%
What are the reactants in the incomplete reaction given below? Zn + ZnCl + H
Which law is satisfied by a balanced chemical equation?
Which of the following is a balanced equation?
What should never be changed while balancing an equation?
In 2Mg + O₂ → 2MgO, how many oxygen atoms are present in products?
The method commonly used to balance equations is:
In 4Na + O₂ → 2Na₂O, sodium atoms in reactants are:
The symbol (s) represents:
Which equation is unbalanced?
Balanced chemical equations help to know:
The principle used to balance chemical equations is the law of ______.
The numbers written before a chemical formula are called ______.
A chemical equation with unequal atoms on both sides is called ______ chemical equation.
In 2Mg + O₂ → 2MgO, the coefficient of MgO is ______.
While balancing, the ______ of a formula should not be changed.
The symbol (g) represents ______ state.
2KClO₃ → 2KCl + 3O₂ is a ______ chemical equation.
The hit and trial method is a method of ______ equations.
In 4Fe + 3O₂ → 2Fe₂O₃, the number of iron atoms is ______ on each side.
Balanced equations show the ratio of ______ and ______.