, 1. What is the ideal gas law equation?
- A) \( P = \frac{nRT}{V} \)
- B) \( PV = nRT \)
- C) \( PV = n \)
- D) \( P = nRT \)
Correct Answer: B) \( PV = nRT \)
Rationale: The ideal gas law is commonly expressed as
PV = nRT, where P is pressure, V is volume, n is moles of
gas, R is the gas constant, and T is temperature.
2. Which type of chemical reaction is characterized by the
exchange of ions between two compounds?
- A) Synthesis
- B) Decomposition
- C) Single Displacement
- D) Double Displacement
Correct Answer: D) Double Displacement
Rationale: In a double displacement reaction, ions are
exchanged between two reactants to form new products.
3. What is the common catalyst used in the Haber process
for ammonia synthesis?
- A) Nickel
- B) Platinum
- C) Iron
- D) Copper
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