Amount of Energy

Q.

Nitrogen and hydrogen combine together to form ammonia. Which type of reaction is this?

1. Endothermic reaction

2. Exothermic reaction

3. Decomposition reaction

4. Combination reaction

Q.

What is the difference between the transition state and activation energy?

Q. Hydrogen acts as a reducing agent by taking ___.

Q.

Which type of reaction is hydrolysis of water?

1. Exothermic

2. Displacement

3. Combination

4. Endothermic

Q.

Define Combustion.

Q.

Change of energy is necessary for a chemical reaction. Why?

Q. Exothermic reaction releases heat

1. True
2. False

Q. Combustion reaction involves the release of energy.

1. False
2. True

Q.

What is known as the energy required to start a chemical reaction?

1. Start point

2. Yield point

3. Mercalis point

4. Activation energy

Q.

What is known as the energy required to start a chemical reaction?

1. Activation energy

2. Start point

3. Mercalis point

4. Yield point

Q. Burning of wood is a chemical reaction in which heat is released.

1. False
2. True

Q.

The release of energy during a chemical reaction cannot be in the following form:

1. Heat

2. Sound

3. Water

4. Light

Q. Decomposition of water into hydrogen and oxygen involves absorption of energy.

1. \N
2. \N