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Certainly, let’s continue:

**81. What is chemical energy?**
A. Energy stored in chemical bonds
B. Energy produced by chemical reactions
C. Energy released during combustion
D. All of the above

**Answer: D. All of the above**

**82. Which of the following is an example of chemical energy?**
A. Sunlight
B. Wind
**C. Gasoline**
D. Kinetic energy

**Answer: C. Gasoline**

**83. In which form is chemical energy typically stored?**
**A. Potential energy**
B. Kinetic energy
C. Thermal energy
D. Electrical energy

**Answer: A. Potential energy**

**84. When a matchstick is lit, what type of energy transformation occurs?**
**A. Chemical energy to thermal energy**
B. Thermal energy to chemical energy
C. Potential energy to kinetic energy
D. Electrical energy to chemical energy

**Answer: A. Chemical energy to thermal energy**

**85. Which of the following is NOT an example of chemical energy being converted to another form of energy?**
A. Burning wood to produce heat
B. Digesting food to produce mechanical energy
**C. Charging a battery**
D. Photosynthesis in plants

**Answer: C. Charging a battery**

Sure, let’s continue:

**86. What happens to chemical energy during a chemical reaction?**
A. It is created
B. It is destroyed
**C. It is converted into other forms of energy**
D. It remains unchanged

**Answer: C. It is converted into other forms of energy**

**87. Which of the following statements about chemical energy is true?**
A. It can only be found in living organisms
B. It is a renewable source of energy
**C. It is a potential energy stored in chemical bonds**
D. It is always converted into mechanical energy

**Answer: C. It is a potential energy stored in chemical bonds**

**88. Which energy transformation occurs when a battery powers a flashlight?**
**A. Chemical energy to electrical energy**
B. Electrical energy to light energy
C. Mechanical energy to thermal energy
D. Potential energy to kinetic energy

**Answer: A. Chemical energy to electrical energy**

**89. Which type of energy is released when food is metabolized in the body?**
A. Mechanical energy
**B. Chemical energy**
C. Nuclear energy
D. Sound energy

**Answer: B. Chemical energy**

**90. What role does chemical energy play in the functioning of living organisms?**
**A. It is the primary source of energy for all life processes**
B. It is only important for certain specialized cells
C. It is used exclusively for growth and development
D. It has no significance in biological systems

**Answer: A. It is the primary source of energy for all life processes**