Before a collision, the kinetic energy of the system typically:
- Increases potential energy
- Increases
- Decreases
- Decreases potential energy
Liquids have indefinite shape, while solids have:
- Indefinite shape
- Definite shape
- Variable shape
- No shape
If the volume of a gas is reduced from V to V/2, the pressure will become:
- 4P
- P/2
- P
- 2P
The kinetic molecular theory of gases suggests that the size of gas molecules is:
- Comparable to the volume of the container
- Significant
- Negligible
- Large
The color of light emitted from hot objects is typically:
- Yellow
- Green
- Blue
- Red
Positive ions in the cathode rays experiment move towards:
- Neutron
- Cathode
- Anode
- Proton
The energy of a neutralization reaction is:
- −46.57kJ mol −1
- −74.65kJ mol −1
- −65.74kJ mol −1
- −57.46kJ mol −1
The halogen in a primary alkyl halide is attached to:
- a benzene ring
- 1 carbon only
- 3 carbons
- 2 carbons
The structure of NaCl (sodium chloride) is:
- Face-Centered Cubic (FCC)
- Hexagonal Close-Packed (HCP)
- Simple Cubic (SC)
- Body-Centered Cubic (BCC)
Which one of the following cannot penetrate the skin
- Gamma rays
- Alpha particles
- X-rays
- Beta particles
