Q1 · Difficulty 2/3
The energy required to start a reaction is the ____ energy.
- ionisation
- bond
- activation
- lattice
Show answer & explanation
✓ Answer: C — activation
Activation energy starts a reaction.
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The energy required to start a reaction is the ____ energy.
Group II metals typically form ions with a charge of:
A solution with a pH of 2 is:
In a simple cell, chemical energy is converted to ____ energy.
The bonding in diamond and graphite is:
Sodium and magnesium are examples of Period 3:
The removal of suspended solids by passing water through sand is:
A titration is used to find the ____ of a solution.