Chemical Reacti...

Which of the following subscript is omitted while writing the chemical formula of compound?

In a chemical equation which of the following signs is used to separate different reactants?

If the sign '' is used in a chemical reaction, what does it indicate?

What does the delta sign used over an arrow in a chemical equation signify?

Which of the following information is not given by a chemical equation?

2H₂O₂ 2H₂O + O₂
The above equation shows the formation of water and oxygen from hydrogen peroxide. Under which of the following categories would you classify the above reaction?

Which of the following decomposition reactions take place in our body?

Which of the following reactions is a double displacement reaction?

Those reactions which proceed in both the directions and result in the formation of a mixture of reactants and products are called

What type of chemical reaction takes place when electricity is passed through water?

Which of the following reactions correctly represents the balanced equation for the combustion of magnesium?

Why is it necessary to balance a chemical equation?

Which of the following reactions represents the balanced chemical equation between hydrogen and oxygen to form water?

While balancing an equation which of the following is changed?

Which of the following metal does not undergo corrosion?

Under which of the following categories will you place the reaction involved in the rusting of iron?

How can we define the process of oxidation of a substance?

Blackening of silver coins take place due to the formation of

A burning candle produces which gas?

An impure substance melts at a temperature which is _______ its standard melting point.